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The marked price of a watch was Rs. 720/...

The marked price of a watch was Rs. 720/- A man bought the same for Rs. 550.80, after getting two successive discounts, the first at 10%. What was the second discount rate ?

A

0.18

B

0.12

C

0.14

D

0.15

Text Solution

Verified by Experts

The correct Answer is:
D
10% छूट के बाद मूल्य = 720 `(1-10/100)`
720 `xx` `90 /100` = Rs 648
माना दूसरा क्रमिक छूट x% `therefore` 648`(1-x/100)` = 550.80
100-x = `(55080/648)` = 85 `therefore` x = 15%
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