Question

how many 210 coin 250?​

Answer 1

Answer:

A box has 210 coins of denominations one-rupee and fifty paise only. The ratio of their respective values is 13 : 11. The number of one-rupee coin is

A. 65

B. 66

C. 77

D. 78

Answer: Option D

Respective ratio of the number of coins;

= 13 : 11 × 2 = 13 : 22

Hence, Number of 1 rupee coins;

=

13 × 210

13 + 22

13×21013+22