Ratio & Proportion

JKSSB Sub-Inspector (Telecommunication) · Basic Numeracy · 98 practice questions with answers and explanations: 44 Easy, 32 Medium, 22 Hard.

Sample questions

Sample Easy question 1

Rs. 360 is divided among A, B and C in the ratio 2:3:4. What is C's share?

  1. 120
  2. 140
  3. 160
  4. 180
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Answer: C. Total parts = 9, each part = 40. C's share = 4 × 40 = 160.

Sample Medium question 2

A, B, C invest in a business in the ratio 2:3:5. If the total profit is Rs. 5000, find C's share.

  1. 2200
  2. 2400
  3. 2500
  4. 2600
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Answer: C. Total parts=10, each part=500, C's share = 5×500 = 2500.

Sample Hard question 3

Two numbers are in the ratio 3:4. If 10 is added to both numbers, the ratio becomes 4:5. Find the product of the numbers.

  1. 1000
  2. 1100
  3. 1200
  4. 1300
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Answer: C. Solving (3x+10)/(4x+10)=4/5 gives x=10, so numbers are 30 and 40, with a product of 1200.

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