In a bag there are coins of 50p, 25p and 10p in the ratio 2 : 4 : 5. If there is Rs. 37.50 in total, how many 25p coins are there?
A30
B40
C60
D72
Answer:
C. 60
Read Explanation:
Let the number of 50p coins be 2x
Number of 25p and 10p coins are 4x and 5x respectively.
2x × 50 + 25 × 4x + 10 × 5x = 3750p
250x = 3750
x = 15
Number of 25p coins = 4x = 60