#31 Percentage Question

A bag contains 600 coins of 25 p denomination and 1200 coins of 50 p denomination. If 12% of 25 p coins and 24% of 50 p coins are removed, the percentage of money removed from the bag is nearly :

A) 21.6 %
B) 15.3 %
C) 14.6 %
D) 12.5 %

Answer: A) 21.6 % 

Explanation:

Total money =  = Rs. 750.

25 paise coins removed == 72.

50 paise coins removed = = 288.

Money removed =  = Rs.162.

Required percentage = % = 21.6 %.