The price of pulses has fallen by 20%. How many quintals can be bought for the same amount which was sufficient to buy 18 quintals at the higher price?  Choose the correct option:
A) 20
B) 22.5
C) 25
D) 30
E) 32.5
80% of original price can buy = 18 quintals.   Therefore, he can buy ( 18 x 100 )/ 80 = 22.5 quintals at the lower price.   ANSWER:22.5
<result>B</result>
The price of pulses has fallen by 20%. How many quintals can be bought for the same amount which was sufficient to buy 18 quintals at the higher price?