Multiple choice

A bag contains 1 rupee, 50-paise and 25 paise coins in the ratio 5:6:7. If the total amount is Rs. 390, find the value of coins of 50-paise?

  1. 200

  2. 120

  3. 70

  4. 140

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

Let coins be 5x, 6x, 7x. Total value = 5x(1) + 6x(0.50) + 7x(0.25) = 5x + 3x + 1.75x = 9.75x = 390. So x = 40. Number of 50-paise coins = 6x = 240. Value of 50-paise coins = 240 × 0.50 = Rs. 120. This combines ratio concepts with currency denomination calculations.