Ram spends 75% of his income. His income increases by 20% and his expenditure increases by 10%. By what percent do his savings increase?
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Correct answer: (C) 50%
DSSSB TGT / PGT · Mathematics
Percentage Previous Year Questions
22 Percentage (Mathematics) questions asked in DSSSB TGT / PGT previous year papers, each with the correct answer and explanation. Read them free on UTpaper, or attempt the full papers as timed online tests.
- 22 questions
- Official answer key
- Free
Other Mathematics topics
Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is:
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Correct answer: (B) 4 : 5
A 40-litre mixture of milk and water contains 10% water. How much water must be added to make the water 20% of the new mixture?
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Correct answer: (B) 5 litres
Directions: Study the following table carefully and answer the question.
Marks obtained by a student (out of 100):
Hindi 72, English 64, Maths 90, Science 84, SST 75
The marks in Maths are what percent more than the marks in English?
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Correct answer: (A) 40.625%
If 20% of A = 30% of B = 1/6 of C, then A : B : C is:
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Correct answer: (C) 15 : 10 : 18
A man buys oranges at 10 for ₹ 25 and sells them at 8 for ₹ 25. His gain percent is:
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Correct answer: (D) 25%
Directions: Study the following data carefully and answer the question.
Monthly expenditure of a family (Total = ₹ 36,000):
Food ₹12,000; Rent ₹9,000; Education ₹6,000; Transport ₹4,500; Others ₹4,500
The expenditure on Rent is what percent of the total expenditure?
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Correct answer: (D) 25%
The population of a town is 25,000. It increases by 10% in the first year and decreases by 10% in the second year. The population after 2 years is:
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Correct answer: (C) 24,750
A student has to secure 35% marks to pass. He gets 182 marks and fails by 28 marks. The maximum marks are:
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Correct answer: (B) 600
If the radius of a circle is increased by 20%, its area increases by:
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Correct answer: (D) 44%
Directions: Study the following table carefully and answer the question.
Production of cars (in thousands), 2022 and 2023:
Company P: 30 and 36; Company Q: 45 and 40; Company R: 25 and 34
By what percent did the total production of cars in 2023 exceed that of 2022?
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Correct answer: (A) 10%
Directions: Study the following table carefully and answer the question.
Production of cars (in thousands), 2022 and 2023:
Company P: 30 and 36; Company Q: 45 and 40; Company R: 25 and 34
Which company showed the highest percentage growth in production from 2022 to 2023?
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Correct answer: (C) R
A's salary is 25% more than B's salary. By what percent is B's salary less than A's?
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Correct answer: (A) 20%
Directions: Study the following data carefully and answer the question.
Students enrolled in a college (in hundreds):
Arts: 12, Science: 18, Commerce: 15, Vocational: 5
Science students are what percent of the total students enrolled?
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Correct answer: (D) 36%
In an election between two candidates, 10% of the voters did not cast their vote and 90 votes were declared invalid. The winner got 54% of the valid votes and won by 1620 votes.
Find the total number of voters.
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Correct answer: (B) 22600
If the price of sugar increases by 25%, by how much percent must a family reduce its consumption so that the expenditure remains the same?
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Correct answer: (B) 20%
By selling an article for ₹ 720, a man loses 10%. At what price should he sell it to gain 15%?
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Correct answer: (D) ₹ 920
Directions: Study the following data carefully and answer the question.
Sales of books by a publisher (in thousands):
2019: 45, 2020: 60, 2021: 75, 2022: 50, 2023: 70
What is the percentage increase in the sale of books from 2022 to 2023?
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Correct answer: (D) 40%
If E1 is 8 times more than E2, then E2 is what percentage less than E1?
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Correct answer: (B) 88.88 percent
Explanation
"8 times more" means E1 = E2 + 8E2 = 9E2. E2 is less than E1 by 8E2, i.e. 8/9 × 100 = 88.88 percent.
Each of the length, breadth and height of a cuboid is decreased by 12 percent. What is
the percentage decrease in the total surface area of the cuboid?
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Correct answer: (D) 22.56 percent
Explanation
Surface area depends on the square of the dimensions: 0.88² = 0.7744, so the area falls by 1 − 0.7744 = 22.56 percent.
The population of a town is 30000. If every year the population increases by 20
percent, then what will be the population of the town after 3 years?
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Correct answer: (A) 51840
Explanation
Population after 3 years = 30000 × 1.2³ = 30000 × 1.728 = 51840.
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Correct answer: (D) I and III
Explanation
Each degree = 18000/360 = 50. I: avg of C1, C2 = 69° and of C3, C5 = 66°, difference 3° = 150, true. III: C2 : C6 = 8 : 60 = 2 : 15, true. II is false: C6 (60°) is twice C4 (30°), not half.
How to use these DSSSB TGT / PGT Mathematics questions
Every question here was asked in a real DSSSB TGT / PGT 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 DSSSB TGT / PGT papers as timed tests to check your speed under exam conditions.