1.

The marked price of a watch is Rs 1600. The shopkeeper gives successive discounts of 10% and r% to the customer. If the customer pays Rs 1224 for the watch, find the value of r.

Answer»

15 %



MP of the article = RS. 1600
SP = (100 - 10)% of (100 - r)% of 1600
= 1224 = 9/10 x 100-r/100 x 16
= r = 15%



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