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The marked price of a Watch is Rs.8400. It is to be sold at Rs.6896 at two successive discounts. If the first discount is 12%, the second discount is ?

7.2 %
9.14 %
7.13 %
6.709 %

Correct Answer: 6.709 %

Explanation:

(100-x)% of 88% of 8400 = 6896

=> $\frac{100 - x}{100} \frac{88}{100} x 8400 = 6896$

=> x = 6.709%

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