Multiple choice

A bag contains 1-rupee, 50-paise and 25 coins in the ratio 8 : 5 : 3. If the total amount of money in the bag is Rs. 112.50, the number of 50-paise coins is

  1. 30

  2. 42

  3. 50

  4. 80

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Let coins be 8x, 5x, 3x. Total value: 8x(1) + 5x(0.50) + 3x(0.25) = 8x + 2.5x + 0.75x = 11.25x = 112.50, so x = 10. Therefore 50-paise coins = 5x = 50. The other options do not satisfy the ratio and total value constraints.