1.

In one box, three different types of old coins are in the ratio of 3 : 5 : 7, the value of old coins is Rs. 1, 5 and 10 rupees respectively. If the total value of coins in the box is Rs 294, then tell the number of old coins of Rs 10.

A. 22
B. 24
C. 21
D. 23
Answer» D. 23


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