1.  A bag contains 25 paise, 10 paise and 5 paise coins in the ratio 1 : 2 : 3 . If their total value is ₹ 60, then the number of 5 paise coins is ?
A. 10
B. 50
C. 30
D. 40

Answer: Option C

Explanation:

Let the number of 25 paise, 10 paise and 5 paise coins be N, 2N and 3N, respectively.
Then ,
N + 2N + 3N = 60
⇒ N = 10
∴ The number of 5 paise coins = 3 x 10 = 30