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DSSSB TGT / PGT · Mathematics

Ratio & Proportion Previous Year Questions

9 Ratio & Proportion (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.

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Other Mathematics topics

Percentage 22Profit & Loss 16Simple & Compound Interest 11Time, Speed & Distance 11Number System 9Time & Work 9Average 8Mensuration 8
Q1From DSSSB TGT Computer Science Full Mock Test 4
A bag contains ₹ 216 in coins of ₹ 1, 50 paise and 25 paise in the ratio 2 : 3 : 4. The number of 50 paise coins is:
  1. A192
  2. B144
  3. C72
  4. D96
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Correct answer: (B) 144

Q2From DSSSB TGT Computer Science Full Mock Test 3
The incomes of A and B are in the ratio 3 : 2 and their expenditures are in the ratio 5 : 3. If each of them saves ₹ 2000, A's income is:
  1. A₹ 12,000
  2. B₹ 10,000
  3. C₹ 8,000
  4. D₹ 15,000
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Correct answer: (A) ₹ 12,000

Q3From DSSSB TGT Computer Science Full Mock Test 2
In what ratio must rice costing ₹ 42 per kg be mixed with rice costing ₹ 54 per kg so that the mixture costs ₹ 46 per kg?
  1. A4 : 3
  2. B1 : 2
  3. C2 : 1
  4. D3 : 2
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Correct answer: (C) 2 : 1

Q4From DSSSB TGT Computer Science Full Mock Test 2
₹ 7800 is divided among A, B and C in the ratio 1/2 : 1/3 : 1/4. B's share is:
  1. A₹ 3600
  2. B₹ 1800
  3. C₹ 2400
  4. D₹ 2600
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Correct answer: (C) ₹ 2400

Q5From DSSSB TGT Computer Science Full Mock Test 2
The present ages of A and B are in the ratio 5 : 7. After 6 years, the ratio will be 3 : 4. What is A's present age?
  1. A30 years
  2. B36 years
  3. C42 years
  4. D24 years
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Correct answer: (A) 30 years

Q6From DSSSB TGT Computer Science Full Mock Test 2
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 What is the ratio of (Arts + Commerce) students to (Science + Vocational) students?
  1. A27 : 23
  2. B23 : 27
  3. C5 : 4
  4. D9 : 7
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Correct answer: (A) 27 : 23

Q7From DSSSB TGT Computer Science Full Mock Test 1
Two numbers are in the ratio 3 : 5. If 9 is subtracted from each, the new ratio becomes 12 : 23. The smaller number is:
  1. A33
  2. B55
  3. C39
  4. D27
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Correct answer: (A) 33

Q8DSSSB TGT Computer Science, 7 Feb 2024, Shift 2 (12:30 PM)
The ratio of Amit’s and Ankit’s present age is 10 : 13. Amit is 18 years younger than Ankit. What will be the ratio of Amit’s age to Ankit’s age after 12 years?
  1. A4 : 5
  2. B3 : 5
  3. C4 : 9
  4. D4 : 7
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Correct answer: (A) 4 : 5

Explanation

The age difference of 13 − 10 = 3 parts equals 18 years, so 1 part = 6: Amit 60, Ankit 78. After 12 years: 72 : 90 = 4 : 5.

Q9DSSSB TGT Computer Science, 7 Feb 2024, Shift 2 (12:30 PM)
Three numbers P, Q and R are in the ratio of 6 : 5 : 3 respectively. If R is 32 less than the sum of P and Q, then what is the value of Q?
  1. A24
  2. B48
  3. C20
  4. D32
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Correct answer: (C) 20

Explanation

P + Q − R = 6 + 5 − 3 = 8 parts = 32, so 1 part = 4. Q = 5 × 4 = 20.

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.

More DSSSB TGT / PGT subjects

Computer Science 2485English 200General Awareness 200Reasoning 182Hindi 120Pedagogy 100