After allowing a discount of 10% on the marked price of an article, it is sold for ₹450. Had the discount not been given, the profit would have been 25%. What is the cost price (in ₹) of the article?
A.375
B.500
C.625
D.400✓ Correct
Explanation
SP after 10% discount = ₹450, so MP = 450/0.9 = ₹500. Without discount, SP = ₹500, which gives 25% profit. So CP = 500/1.25 = ₹400.
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