Exams › SSC CGL (Prelims) › General

A box contains ₹2, ₹1, and 50p coins in the ratio 3:4:5. If the total value is ₹250, find the number of 50p coins.

1. 50
2. 100
3. 125
4. 150

Correct answer: 100

Solution

Let the numbers of ₹2, ₹1, and 50p coins be 3x, 4x, and 5x respectively. Then total value = 2(3x) + 1(4x) + 0.5(5x) = 6x + 4x + 2.5x = 12.5x = 250, so x = 20. Hence 50p coins = 5x = 100.

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