Multiple choice

A bag contains 25 paise, 10 paise and 5 paise coins in the ratio 1 : 2 : 3. If the total value of the coins in the bag is Rs. 36, the number of 25 paise coins is

  1. 120

  2. 63

  3. 70

  4. 60
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Let coins be x, 2x, 3x. Value = 0.25x + 0.10(2x) + 0.05(3x) = 36. 0.25x + 0.20x + 0.15x = 0.60x = 36. x = 60. Number of 25 paise coins = x = 60.

AI explanation

Let the number of 25 paise, 10 paise and 5 paise coins be x, 2x and 3x respectively. The total value in rupees can be expressed using the coin conversion formula as 0.25x plus 0.10 multiplied by 2x plus 0.05 multiplied by 3x. This simplifies to 0.25x plus 0.20x plus 0.15x, equaling 0.60x, which is equal to the total value of 36 rupees. Solving for x gives 60, which represents the number of 25 paise coins.

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