a) 10
b) 6
c) 7
d) 5
Answer: d
Explanation: 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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