1.

When the price of a toy was increased by 20%, the number of toys sold was decreased by 15%. What was the effect on the sales of the shop ?

Answer»

2% increase



Let original of each TOY be Rs. 100 and NUMBER originally SOLD be 100. 
∴ originally SALE proceeds = Rs. (100 x 100) = Rs. 10000

New sale proceeds = Rs. (120 x 85) = Rs. 10200
∴ Increase% = (200 x 100 / 10000)% = 2%



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