Multiple choice

I have Re. 1 coins, 50-paisa coins and 25-paisa coins. The numbers of coins are in the ratio 2.5 : 3 : 4. If the total amount with me is Rs. 210, find the number of Re. 1 coins.

  1. 90

  2. 85

  3. 100

  4. 105

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

Let coins be 2.5x, 3x, 4x. Values: 2.5x(1) + 3x(0.5) + 4x(0.25) = 210. 2.5x + 1.5x + 1x = 210 => 5x = 210 => x = 42. Number of Re 1 coins = 2.5 * 42 = 105.