A) Rs. 16
B) Rs. 24
C) Rs. 48
D) Rs. 36
Correct Answer: C
Solution :
Let the original cost of each book = Rs.x. So, \[20\times x=22x-5.5+0.70\] \[\text{Percentage decrease =}\left( \frac{\text{Decrease in quantity}}{\text{Original quantity}}\text{ }\!\!\times\!\!\text{ 100} \right)\text{ }\!\!%\!\!\text{ }\] x = Rs.2.40You need to login to perform this action.
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