The marked price of a clock is Rs.3200. It is to be sold at Rs.2448 at two successive discounts. If the first discount is 10%, then the second discount is
Correct Answer: Description for Correct answer:
Let rate of second discount = r%
Now, marked price of the clock = Rs.3200
Therefore, SP of the clock after first discount
= \( \Large \frac{3200 \times \left(100-10\right) }{100}=\frac{3200 \times 90}{100} \) = Rs.2880
SP of the clock after second discount
= \( \Large \frac{2880 \times \left(100-r\right) }{100} \)
But SP of the clock after second discount
= 2448
Therefore, 2448 = \( \Large \frac{2880 \times \left(100-r\right) }{100} \)
= 100 - r = \( \Large \frac{2448 \times 100}{2880} \) = 85
Therefore, r = 100 - 85 = 15%
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