A merchant has announced 25% rebate on prices of ready-made garments at the time of sale. If a purchaser needs to have a rebate of Rs. 400, then how many shirts, each costing Rs. 320, should he purchase?

A. 10 B. 7 C. 6 D. 5 Answer: Option D
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Solution(By Apex Team)

Discount on one shirt, = 25% of 320 = $\frac{320 \times 25}{100}$ = Rs. 80 Hence, number of shirt he must buy to get a rebate of Rs. 400 = $\frac{400}{80}$= 5

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