The marked price of a calculator was Rs. 750, A man bought the same for Rs. 550 after getting 2 successive discounts, If the 1st discount is 10% then find the 2nd discount%?
A
23%
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B
18%
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C
21%
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D
15%
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E
None of these
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Solution
The correct option is B 18% 750×10100=75 After 1st discount, Price = 750- 10% of 750 =750-75 =675 After 2nd discount, Price = (675−550)×675=18.51%=18%