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GATE 2024 MT – Question 4

General Aptitude · Quantitative Aptitude: Arithmetic and Number Computation · 1 mark · Multiple choice

The numbers of ₹1, ₹5, and ₹10 coins a person has are in the ratio 5:3:13. What percentage of the total money is in ₹5 coins?

  1. 21%
  2. $14\tfrac27\%$
  3. 10%
  4. 30%

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Show answer and explanation

Correct answer: (C) 10%

Explanation

Let the numbers of ₹1,₹5,₹10 coins be 5k,3k,13k.

Their values are 5k,15k,130k rupees, totalling 150k.

The five-rupee contribution is 15k/150k=0.10, or **10%, C**.