Multiple choice

A box contains 50 paise coin and 25 paise coin in the ratio 3:7. If the total value of the coins is Rs. 156, then the total number of coins in the box is

  1. $500$
  2. $780$
  3. $480$
  4. $520$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Let 50 paise coins = 3x and 25 paise coins = 7x. Total value = 3x × 0.50 + 7x × 0.25 = 1.5x + 1.75x = 3.25x = 156. Solving gives x = 48, so total coins = 10x = 480. The answer is derived by setting up the value equation and solving for the multiplier.

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