On reducing the marked price of his goods by ₹28, a shopkeeper gains 20%. If the cost price be ₹560 and it is sold at the marked price, what will be the gain per cent?
A.25%✓ Correct
B.30%
C.15%
D.20%
Explanation
At reduced price (MP−28), gain = 20%, so SP = 560×1.20 = ₹672. Thus MP−28 = 672 → MP = ₹700. Gain at MP = (700−560)/560 × 100 = 140/560 × 100 = 25%.
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