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RRB JE · Mathematics

Simplification Previous Year Questions

29 Simplification (Mathematics) questions asked in RRB JE previous year papers, each with the correct answer and explanation. Read them free on UTpaper, or attempt the full papers as timed online tests.

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Time, Speed & Distance 52Number System 52Percentage 52Profit & Loss 51Mensuration 51Ratio & Proportion 42Algebra 37Statistics 37Simple & Compound Interest 36Time & Work 30Average 29Geometry 11Problems on Ages 9
Q1RRB JE CBT-1, 18 Dec 2024, Shift 3 (4:30 PM)
Evaluate: 33 ÷ 9 × 3 - 2 × 3
  1. A8
  2. B5
  3. C7
  4. D4
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Correct answer: (B) 5

Q2RRB JE CBT-1, 18 Dec 2024, Shift 3 (4:30 PM)
The Indigo Rebellion took place in _______ during 1859-1860.
  1. AMadras
  2. BBengal
  3. CPunjab
  4. DBombay
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Correct answer: (B) Bengal

Q3RRB JE CBT-1, 18 Dec 2024, Shift 3 (4:30 PM)
Which of the following states has the highest density of railway network as of 2019-20?
  1. AWest Bengal
  2. BPunjab
  3. COdisha
  4. DUttar Pradesh
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Correct answer: (D) Uttar Pradesh

Q4RRB JE CBT-1, 18 Dec 2024, Shift 1 (9:00 AM)
Evaluate: 33 ÷ 9 × 3 - 2 × 4
  1. A3
  2. B6
  3. C2
  4. D5
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Correct answer: (A) 3

Q5RRB JE CBT-1, 18 Dec 2024, Shift 1 (9:00 AM)
If A = 7.5°, what is the value of (12.8 × (1/√3) cot4A + 7.2 tan6A)?
  1. A12
  2. B8
  3. C20
  4. D10
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Correct answer: (C) 20

Q6RRB JE CBT-1, 17 Dec 2024, Shift 3 (4:30 PM)
Find the value of 1.356 + 4.25 × 8 − 3.562 × 6 + 7.5 × 4.
  1. A41.625
  2. B42.237
  3. C43.012
  4. D43.984
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Correct answer: (D) 43.984

Q7RRB JE CBT-1, 17 Dec 2024, Shift 3 (4:30 PM)
Which team clinched the Irani Cup title for the season 2024-25?
  1. AMumbai
  2. BRailways
  3. CKarnataka
  4. DRest of India
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Correct answer: (A) Mumbai

Q8RRB JE CBT-1, 17 Dec 2024, Shift 3 (4:30 PM)
Evaluate: 32 ÷ 12 × 3 - 2 × 4
  1. A0
  2. B3
  3. C-1
  4. D2
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Correct answer: (A) 0

Q9RRB JE CBT-1, 17 Dec 2024, Shift 2 (12:45 PM)
Find the value of 8.25 × 6 − 3.14 × 7 + 2.758 of 2.5 − 4.365 × 5.
  1. A12.97
  2. B11.05
  3. C11.82
  4. D12.59
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Correct answer: (D) 12.59

Q10RRB JE CBT-1, 17 Dec 2024, Shift 1 (9:00 AM)
If 3x / [1 + 1 / (1 + x/(1 − x))] = 12, then find the value of 'x'.
  1. A1.6
  2. B1.8
  3. C1.2
  4. D1.4
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Correct answer: (A) 1.6

Q11RRB JE CBT-1, 17 Dec 2024, Shift 1 (9:00 AM)
Evaluate: 32 ÷ 12 × 3 - 3 × 4
  1. A-4
  2. B-5
  3. C-1
  4. D-2
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Correct answer: (A) -4

Q12RRB JE CBT-1, 17 Dec 2024, Shift 1 (9:00 AM)
Evaluate: 16 + 16 ÷ 4 - 3 × 4
  1. A8
  2. B10
  3. C11
  4. D7
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Correct answer: (A) 8

Q13RRB JE CBT-1, 16 Dec 2024, Shift 3 (4:30 PM)
Find the value of 2.5 × 4 + 3.68 ÷ 4 − 8.46 × 2 + 7.365 × 4 + 2.8 × 3 − 1.675 × 2.
  1. A27.98
  2. B28.96
  3. C28.51
  4. D27.21
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Correct answer: (C) 28.51

Q14RRB JE CBT-1, 16 Dec 2024, Shift 3 (4:30 PM)
Evaluate: 16 + 18 ÷ 3 - 3 × 3
  1. A13
  2. B15
  3. C12
  4. D16
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Correct answer: (A) 13

Q15RRB JE CBT-1, 16 Dec 2024, Shift 2 (12:45 PM)
Evaluate 184²
  1. A33866
  2. B33856
  3. C33836
  4. D33806
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Correct answer: (B) 33856

Q16RRB JE CBT-1, 16 Dec 2024, Shift 2 (12:45 PM)
Evaluate: 16 + 18 ÷ 6 - 2 × 3
  1. A16
  2. B13
  3. C12
  4. D15
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Correct answer: (B) 13

Q17RRB JE CBT-1, 16 Dec 2024, Shift 2 (12:45 PM)
Express the value of 35.63 − 47.058 + 10.36 − 24.28 + 5.316 × 5 as a vulgar fraction.
  1. A1 21/47
  2. B1 29/125
  3. C1 31/48
  4. D2 13/58
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Correct answer: (B) 1 29/125

Q18RRB JE CBT-1, 16 Dec 2024, Shift 2 (12:45 PM)
Find the value of cos35°/sin55° − sin11°/cos79° + cos28° cosec62° + cos0°.
  1. A1
  2. B−1
  3. C2
  4. D0
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Correct answer: (C) 2

Q19RRB JE CBT-1, 16 Dec 2024, Shift 1 (9:00 AM)
Evaluate: 16 + 16 ÷ 4 - 3 × 3
  1. A14
  2. B13
  3. C11
  4. D10
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Correct answer: (C) 11

Q20RRB JE CBT-1, 16 Dec 2024, Shift 1 (9:00 AM)
Which of the following articles deal with the provisions regarding the election, qualification, and removal of the Vice-President of India?
  1. AArticle 78 - 80
  2. BArticle 63 - 71
  3. CArticle 68 - 75
  4. DArticle 224 - 245
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Correct answer: (B) Article 63 - 71

Q21RRB JE CBT-1, 16 Dec 2024, Shift 1 (9:00 AM)
What is the pH range of a strongly acidic solution?
  1. A7-8
  2. B0-3
  3. C12-14
  4. D10-11
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Correct answer: (B) 0-3

Q22RRB JE CBT-1, 20 Feb 2026, Shift 2 (12:45 PM)
Simplify: 52 - {38 ÷ (4 × 7 - 9)}
  1. A50
  2. B46
  3. C55
  4. D57
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Correct answer: (A) 50

Q23RRB JE CBT-1, 20 Feb 2026, Shift 1 (9:00 AM)
In this question, a group of number/symbol is coded using letter codes as per the codes given below and the conditions which follow. The correct combination of codes following the conditions is your answer. If none of the conditions follow, then codes for the respective Number/Symbol to be followed directly as given in the table. NUMBER/SYMBOL 7$86&#3+ 5429@ * CODE A E R T H U K L P Z C V NQ Conditions – (i) If the first element is a symbol and the last a number, the codes for these two (the first and the last elements) are to be interchanged. (ii) If the first element is an odd number and the last an even number, the first and last elements are to be coded as © (iii) If both second and third elements are perfect squares, the third element is to be coded as the code for the second element. What will be the code for the following group? 7 4 9 @ $
  1. AA Z Z R E
  2. BE Z Z N E
  3. CA V Z N E
  4. DA Z Z N E
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Correct answer: (D) A Z Z N E

Q24RRB JE CBT-1, 20 Feb 2026, Shift 1 (9:00 AM)
Simplify the following. 294 ÷ [10 ÷ 5 × {11 + 12 − (8 + 5 − (10 + 1))}]
  1. A7
  2. B4
  3. C2
  4. D15
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Correct answer: (A) 7

Q25RRB JE CBT-1, 19 Feb 2026, Shift 3 (4:30 PM)
The simplified value of 178 - 7 x (3 + 17) + 22 is:
  1. A66
  2. B58
  3. C67
  4. D60
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Correct answer: (D) 60

Q26RRB JE CBT-1, 19 Feb 2026, Shift 2 (12:45 PM)
In this question, a group of number/symbol is coded using letter codes as per the codes given below and the conditions which follow. The correct combination of codes following the conditions is your answer. If none of the conditions follow, then codes for the respective Number/Symbol to be followed directly as given in the table. NUMBER/SYMBOL 7$86&#3 +5429@ * CODE B C R T H U L P A Q V N JM Conditions – (i) If the first element is a symbol and the last a number, the codes for these two (the first and the last elements) are to be interchanged. (ii) If the first element is an odd number and the last an even number, the first and last elements are to be coded as © (iii) If both second and third elements are perfect squares, the third element is to be coded as the code for the second element. 7 & * 8 4
  1. AM H M R ©
  2. B© H M Q ©
  3. C© H M R ©
  4. DB H M R Q
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Correct answer: (C) © H M R ©

Q27RRB JE CBT-1, 19 Feb 2026, Shift 2 (12:45 PM)
Which calculation correctly gives the molecular mass of nitric acid (HNO₃)?
  1. A1 + 14 + 48
  2. B1 + 14 + 3
  3. C2 + 14 + 48
  4. D1 + 14 + 16
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Correct answer: (A) 1 + 14 + 48

Q28RRB JE CBT-1, 19 Feb 2026, Shift 2 (12:45 PM)
Simplify: 23 - [3 - {9 - (4 + 5)}]
  1. A20
  2. B24
  3. C27
  4. D17
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Correct answer: (A) 20

Q29RRB JE CBT-1, 19 Feb 2026, Shift 1 (9:00 AM)
Simplify the following. 112 ÷ [16 ÷ 8 × {18 + 12 − (3 + 10 − (4 + 7))}]
  1. A3
  2. B4
  3. C11
  4. D2
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Correct answer: (D) 2

How to use these RRB JE Mathematics questions

Every question here was asked in a real RRB JE paper; the paper and shift are shown on the card, and the number opens the question on its own page. Try each one before tapping Show answer, then attempt the full RRB JE papers as timed tests to check your speed under exam conditions.

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