Which scientist(s) established the laws of Inheritance?
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Correct answer: (C) Gregor Johann Mendel
Previous Year Paper · Questions with answers
RRB JE CBT-1 PYQ 17 Dec 2024, Shift 3 (4:30 PM)
All 100 questions of RRB JE CBT-1 PYQ 17 Dec 2024, Shift 3 (4:30 PM) with the correct answer from the official answer key and a solution. Read them free on UTpaper, or attempt the paper as a timed online test.
- 100 questions
- 1 explained
- Official answer key
- Free
Find the value of 1.356 + 4.25 × 8 − 3.562 × 6 + 7.5 × 4.
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Correct answer: (D) 43.984
What should come in place of the question mark (?) in the given series?
86 78 64 56 42 34 ?
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Correct answer: (A) 20
What is the mean of the following distribution?
Marks: 13, 23, 51, 61, 96
No. of Students: 51, 34, 62, 87, 17
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Correct answer: (A) 46
A tube like structure grows down from the pollen grain to the style and reaches the ovule. This pollen tube is responsible for:
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Correct answer: (C) carrying the male germ cell to the female germ cell in the ovary
A trader lost 10% by selling a shirt for ₹840. He will gain x%' by selling it for ₹1540, the value of x is:
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Correct answer: (D) 65
Select the letter-cluster from among the given options that can replace the question mark (?) in the following series.
CYU XTP SOK NJF ?
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Correct answer: (B) IEA
When an aqueous solution of potassium iodide reacts with lead nitrate, what type of product is formed?
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Correct answer: (D) Lead iodide (precipitate)
In which of the following cases did the Supreme Court of India enunciate the ‘Doctrine of Basic Structure’?
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Correct answer: (C) Keshvanand Bharti case
Which of the following is NOT a method of pollination?
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Correct answer: (C) Asexual pollination
Anamika travels a distance of 183 km with speed of 61 km/h and 225 km with 45 km/h by her car. Find the average speed (in km/h) of Anamika.
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Correct answer: (C) 51
A and B can do a piece of work in 4 days and 46 days, respectively. The number of days [Correct to one decimal place] required to complete the work if both A and B work together is:
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Correct answer: (C) 3.6
Which team clinched the Irani Cup title for the season 2024-25?
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Correct answer: (A) Mumbai
Select the letter-cluster pair that best represents a similar relationship to the one expressed in the pairs of letter-clusters given below.
WJT : ZNO
KAK : NEF
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Correct answer: (A) NKH : QOC
Mayank starts from Point A and drives 18 km towards east. He then takes a right turn, drives 19 km, turns right and drives 21 km. He then takes a right turn and drives 25 km. He takes a final right turn, drives 3 km and stops at Point P. How far (shortest distance) and towards which direction should he drive in order to reach Point A again? (All turns are 90° turns only unless specified.)
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Correct answer: (C) 6 km to the south
₹3300 were divided among P, Q and R, such that 4 times of P = 7 times of Q = 2 times of R. Find the share of R.
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Correct answer: (D) ₹1848
The angle of elevation of a tower from a point which is at a distance of 44 m from its foot is 60°. Find the height of the tower. (use √3 = 1.73)
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Correct answer: (A) 76.12 m
In a certain code language,
'actor singer dancer’ is coded as ‘ma ph st’,
‘dancer doctor engineer’ is coded as ‘cd le ma’ and
‘engineer actor cricketer’ is coded as ‘st bq cd’.
(All the codes are two-letter codes only.)
What is the code for 'actor' in that lanuage?
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Correct answer: (A) st
Oxidation of metals in the presence of acids or moisture is called:
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Correct answer: (A) corrosion
Who among the following was the ruler of Gujarat when Humayun attacked the kingdom in 1532?
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Correct answer: (D) Bahadur Shah
The average age of 40 boys in a class is 18 years. One boy, aged 26 years left the class, and two new boys joined the class. If the average age of all boys now in the class remains 18 years, then find the average age of the two newcomers.
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Correct answer: (C) 22 years
What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?
11 + 37 − 5 × 40 ÷ 24 = ?
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Correct answer: (D) −23
Two sets of numbers are given below. In each set of numbers, certain mathematical operation(s) on the first number result(s) in the second number. Similarly, certain mathematical operation(s) on the second number result(s) in the third number and so on. Which of the given options follows the same set of operations as in the given sets? (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding / subtracting /multiplying to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
6-18-72-102; 8-20-80-110
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Correct answer: (C) 7-19-76-106
In which year was 'Heirloom Treasures: The Cultural Tapestry of India: A Compilation of Selected Articles from India Beckons: Volume 1,' by Arunima Hoskote, published?
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Correct answer: (D) 2020
Seven boxes, I, J, K, L, W, X and Y, are kept one over the other but not necessarily in the same order. Only K is kept above W. Only two boxes are kept between W and J. Only L is kept below I. J is not kept immediately below Y. How many boxes are kept between X and L?
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Correct answer: (D) Two
Evaluate: 32 ÷ 12 × 3 - 2 × 4
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Correct answer: (A) 0
What is the purpose of using devices like Copper-T in family planning?
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Correct answer: (A) To prevent fertilised eggs from implanting in the uterus
Yeast reproduces through which asexual mode of reproduction?
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Correct answer: (A) Budding
What is the name of the famous temple complex in Tamil Nadu, known for its Dravidian architecture and 1,000-pillar hall?
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Correct answer: (D) Meenakshi Temple
Which of the following steps is the first step in balancing a chemical equation?
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Correct answer: (D) Writing the skeleton equation
What is the median of the following data?
17, 54, 51, 64, 13, 39, 23, 40, 78, 66, 96
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Correct answer: (D) 51
What is the angle formed between two lateral faces of a triangular glass prism called?
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Correct answer: (C) Angle of the prism
Among five people named A, B, C, D and E, each has a certain age. C is twice the age of A. A is three times the age of D. D is one fifth the age of B. The age of B is 45. If E is equal the age of C, what is the age of E?
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Correct answer: (C) 54
If x is inversely proportional to y, and y = 5 when x = 2, find the value of x, when y = 41.
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Correct answer: (B) 10/41
Contraception is one of the main goals of which health care programme?
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Correct answer: (B) Reproductive Health Programme
Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which letter-cluster pair DOES NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)
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Correct answer: (B) LV-TU
If two parallel lines are cut by a transversal, and one pair of the corresponding angles formed are (x + 30)° and (2x − 10)°, then find the value of x.
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Correct answer: (D) 40
The measure of how much a material resists the flow of charges is known as:
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Correct answer: (A) resistivity
Find the simple interest (in closest integral ₹) on ₹4000 at 5.25% per annum rate of interest for the period from 3 February 2024 to 4 April 2024
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Correct answer: (B) 35
The population of a town in 1974 was 222900. If its population increased in two successive decades by 50% in each decade, the population of the town in 1994 was:
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Correct answer: (A) 501525
In a convex mirror, the principal focus is located _____.
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Correct answer: (B) behind the mirror
Based on the English alphabetical order, three of the following four are alike in a certain way and thus form a group. Which is the one that DOES NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)
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Correct answer: (C) DGF
Which of the following letter-clusters should replace # and % so that the pattern and relationship followed between the letter-cluster pair on the left side of :: is the same as that on the right side of ::?
# : GJM :: FIL : %
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Correct answer: (D) # = XAD, % = ORU
The average price of three items of furniture is Rs 15765. If their prices are in the ratio 3:5:7, the price of the costliest item (in Rs) is
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Correct answer: (A) 22071
What should come in place of the question mark (?) in the given series?
68 76 86 98 112 ?
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Correct answer: (C) 128
A man sold an article for ₹687 by first giving a d% discount on its marked price, and then another discount having the same nominal value (in ₹). If the marked price of the article is ₹1145, then what is the value of d?
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Correct answer: (C) 20
When Plaster of Paris is mixed with water, it undergoes which of the following changes?
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Correct answer: (C) It changes to gypsum.
AB and CD are parallel straight lines and HI is the transversal intersecting AB at E and CD at F. G is a point between the lines AB and CD but not on HI, such that m∠EGF = 65°. If (2/5) × m∠BEG = (3/5) × m∠DFG, and m∠DFG = (1/3) × m∠DFE, what is the measure of ∠FEG?
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Correct answer: (C) 63°
The first President of the Indian National Congress was __________.
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Correct answer: (C) Womesh Chandra Banerjee
Which of the following statements are correct with respect to Arunachal Himalaya? Statement 1: These extend from the east of the Bhutan Himalayas up to the Diphu pass in the east.
Statement 2: The general direction of the mountain range is from southwest to northeast.
Statement 3: Some of the important mountain peaks of the region are K2 and
Annapurna.
Statement 4: These ranges are dissected by fast-flowing rivers from the north to the south, forming deep gorges.
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Correct answer: (A) Statements 1, 2 and 4 are correct.
What will come in the place of the question mark (?) in the following equation if ‘÷’ and ‘−' are interchanged and ‘+’ and ‘×’ are interchanged?
17 + 9 − 3 × 3 ÷ 7 = ?
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Correct answer: (A) 47
A trader claims to sell rice at a profit of 74%, but also dishonestly uses a weight which is 9% less than what is mentioned on it. Find the total percentage of profit earned by the trader. (Round the answer to the nearest whole number.)
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Correct answer: (B) 91%
Pooja and Ritu invest in a business in the ratio 4 : 1. If total profit is Rs. 1480, then what is difference between the profit (in Rs.) of Pooja and Ritu?
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Correct answer: (C) 888
In a certain code, ‘copy book pencil’ is coded as ‘fd rl sg’, ‘pencil crayon eraser’ is coded as ‘bz xw rl’, and ‘crayon copy pen’ is coded as ‘xw sg xo’.What is the code for 'book' in that language?
(Note: All the codes are two letter coded only.)
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Correct answer: (C) fd
A question is followed by two statements numbered (I) and (II). You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and select the most appropriate answer.
Question:
Five boxes, V, W, X, Y and Z, have different weights. Which box among them is the second heaviest?
Statements:
(I) Y is heavier than W. Only three boxes are lighter than Z.
(II) X is heavier than W. X is heavier than V.
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Correct answer: (C) Data in statement I alone is sufficient to answer the question while data in statement II is not.
A number when increased by 50 %', gives 3120. The number is:
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Correct answer: (C) 2080
What happens when zinc (Zn) reacts with hydrochloric acid (HCl)?
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Correct answer: (C) Zinc is oxidised.
Find the cost (in ₹) of digging a cuboidal pit 9 m long, 5 m broad and 4 m deep at the rate of ₹20 per m³.
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Correct answer: (D) 3,600
The Indian Constitution guarantees Fundamental Rights to its citizens under which of the following Articles?
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Correct answer: (D) Only Articles 12 to 35
The LCM of two numbers is seven times of their HCF. If the product of two numbers is 448, then find the difference between LCM and HCF.
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Correct answer: (A) 48
Which of the following is correct with regard to resistances in a series circuit?
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Correct answer: (A) Total resistance is equal to the sum of all individual resistances.
Which of the following factors is primarily responsible for survival of species?
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Correct answer: (C) Variations
Which of the following materials will have the least resistance at room temperature?
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Correct answer: (D) Copper
At which of the following points does each firm employ labour?
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Correct answer: (D) Each firm employs labour up to the point where the marginal revenue product of labour equals the wage rate.
Rose flower pollen has reached Sunflower stigma through pollination. The pollen will be rejected by the stigma because:
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Correct answer: (C) pollen was not of sunflower
Which Article of the Indian Constitution permits the Supreme Court to review its judgement or order?
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Correct answer: (C) Article 137
What was the venue of the 13th Ministerial Conference of the World Trade Organization in 2024?
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Correct answer: (A) Abu Dhabi, United Arab Emirates
What should come in place of the question mark (?) in the given series based on the English alphabetical order?
FDW LJC RPI XVO ?
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Correct answer: (A) DBU
The solution of the system of the given linear equations is:
2x + 3y − z = 5, x − 2y + 4z = −2, 3x + y + 2z = 7
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Correct answer: (C) x = 44/7, y = −27/7, z = −4
What is the name (acronym) of the software developed by ISRO, through its Vikram Sarabhai Space Centre (VSSC), a Computational Fluid Dynamics (CFD) tool aimed at facilitating aerodynamic design and analysis for aerospace vehicles?
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Correct answer: (C) PraVaHa
Select the option in which the numbers share the same relationship as that shared by the given pairs of numbers.
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) 185, 113
170, 98
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Correct answer: (C) 146, 74
Which of the following is an example of a decomposition reaction that occurs due to the application of electric current?
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Correct answer: (D) Electrolysis of water
Which of the following options is INCORRECT with relation to the given statement? The magnetic field lines of a bar magnet may be drawn using:
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Correct answer: (C) wood particles
What is the difference between the hypotenuse and the base of an isosceles right triangle that has an area of 392 m² (use √2 = 1.4)?
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Correct answer: (C) 11.2 m
If the distance between A and B is 1089 Km. From A, Vishal goes to B with speed 104 km/h and return to A with the speed 125 km/h. Find the average speed of Vishal. (rounded off to two decimal place)
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Correct answer: (B) 113.54 km/h
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusion(s) logically follow(s) from the statements.
Statements: All hens are juices. Some juices are nests. All pins are nests.
Conclusions:
(I): Some pins are hens.
(II): Some pins are juices
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Correct answer: (A) Neither conclusion (I) nor (II) follows.
How can you experimentally determine the focal length of a concave mirror?
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Correct answer: (C) Measure the distance between the mirror and the image of a distant object formed by it.
India has reduced the windfall tax on crude oil to ₹______ per metric tonne from ₹4,600, effective 17 August 2024.
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Correct answer: (A) 2,100
YT21 is related to TO19 in a certain way based on the English alphabetical order. In the same way, PL17 is related to KG15. To which of the following is KF13 related, following the same logic?
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding/subtracting/multiplying to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
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Correct answer: (D) FA11
What is the unit of electric power commonly used to measure household energy consumption?
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Correct answer: (A) Kilowatt-hours
What is the average of all the natural numbers from 1 to 97?
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Correct answer: (B) 49
Refer to the given number, symbol series and answer the question that follows. Counting to be done from left to right only.
(Left) 6 # 1 * 8 & 7 & 5 4 Ω 3 % 9 6 @ 2 $ 9 £ 3 (Right)
How many such symbols are there each of which is immediately preceded by an odd number but NOT immediately followed by an even number?
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Correct answer: (C) One
Explanation
Official answer key: (3) One Correct answer should be (4) Three. Symbols immediately preceded by an odd number are * (1 * 8), & (7 & 5), % (3 % 9) and £ (9 £ 3). Only * is followed by an even number, so three symbols (&, %, £) satisfy the condition. Scoring follows the official key.
A car rental company rents small cars at $50 per day and large cars at $80 per day. If a total of 13 cars were rented for $920 in one day, how many large cars were rented?
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Correct answer: (B) 9
If the resistance of a conductor is doubled while the current remains the same, how will the heat produced per unit time change?
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Correct answer: (D) It will double.
(a⁹ × b³ × c⁶) / (a¹⁰ × b⁶ × c³) in simplified form is:
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Correct answer: (D) (a⁻¹) × (b⁻³) × (c³)
Refer to the following number and symbol series and answer the question that follows. (Counting to be done from left to right only.)
(Left) 2 @ 4 + = 3 1 # 3 @ $ 9 8 * 9 4 2 8 7 6 5 (Right)
How many such symbols are there, each of which is immediately preceded by and also immediately followed by a number?
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Correct answer: (A) Three
Where does the image form when an object is positioned at the centre of curvature of a concave mirror?
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Correct answer: (A) At the centre of curvature
What is the role of chlorine gas in the preparation of bleaching powder?
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Correct answer: (A) It reacts with dry slaked lime to form bleaching powder.
NATO will establish a new land command in _________ near the Russian border in 2025 to oversee northern European land operations during potential conflicts.
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Correct answer: (A) Finland
Suman invested a sum of ₹3500 at 20% per annum compound interest, componded annually. If she received an amount of ₹6048 after n years, the value of n is:
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Correct answer: (A) 3
Two taps can fill a cistern in 2 hours and 46 hours respectively. A third tap can empty it in 46 hours. How long (in hours) will it take to fill the empty cistern, if all of them are opened together?
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Correct answer: (A) 2
In a certain code language,
'A + B' means ‘A is the son of B’,
'A − B' means ‘A is the brother of B’,
'A × B' means ‘A is the wife of B’ and
'A ÷ B' means ‘A is the father of B’.
How is S related to H if ‘S − D + F ÷ G × H’?
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Correct answer: (B) Wife's Brother
A, B, C, D, E and F live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it is numbered 2 and so on, till the topmost floor is numbered 6.
Only four people live between D and F. C lives on an even numbered floor but not on floor number 2. E lives immediately below A but above D.
How many people live below B?
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Correct answer: (C) Four
The pH of acid rain is:
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Correct answer: (C) less than 5.6
As the concentration of hydronium ions increases, the pH value _______.
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Correct answer: (B) decreases
Which part of the Bryophyllum plant develops new plants via vegetative propagation?
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Correct answer: (B) Leaves
Leishmania reproduces by:
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Correct answer: (A) binary fission in a definite plane
A homologous series is a group of organic compounds that have:
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Correct answer: (D) the same functional group but differ by a CH₂ group
Which of the following waterways is located on the Tapi river?
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Correct answer: (B) NW-100
O, P, Q, R, S and T are sitting around a circular table facing the centre. P sits second to the left of T. Q is the immediate neighbour of P and R. S is not the immediate neighbour of R. Who sits to the immediate left of R?
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Correct answer: (C) O
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