Ratio & Proportion

JKSSB Panchayat Account Assistant · Mathematics · 98 practice questions with answers and explanations: 44 Easy, 32 Medium, 22 Hard.

Sample questions

Sample Easy question 1

Divide Rs. 480 between A and B in the ratio 3:5. Find B's share.

  1. 280
  2. 290
  3. 295
  4. 300
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Answer: D. B's share = (5/8) × 480 = 300.

Sample Medium question 2

Find the mean proportion between 9 and 16.

  1. 10
  2. 11
  3. 12
  4. 13
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Answer: C. Mean proportion = √(9×16) = √144 = 12.

Sample Hard question 3

The incomes of A and B are in the ratio 5:7 and their expenditures are in the ratio 3:5. If each saves Rs. 1000, find A's income.

  1. 2300
  2. 2400
  3. 2500
  4. 2600
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Answer: C. Let income = 5x, 7x and expenditure = 3y, 5y. Solving 5x-3y=1000 and 7x-5y=1000 gives x=500, so A's income = 2500.

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