Q 4- A sold an article for Rs 420 at a gain of 5% and B sold an article for Rs 477
at a gain of 6%. Who get more profit and by how much?
Answers
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3
Answer:
₹ 7
Explanation:
A
Selling price SP = ₹ 420
Profit P = 5%
Cost price = [100 / (100 + P% )] x S.P.
= [ 100 / (100 + 5)] * 420
= 420 * 100 / 105 = 400
Profit = 5% of 400 = 400 * 5/100 = ₹ 20
B
Selling price SP = ₹ 477
Profit P = 6%
Cost price = [100 / (100 + P% )] x S.P.
= [ 100 / (100 + 6)] * 477
= 477 * 100 / 106 = 450
Profit = 6% of 450 = 450 * 6/100 = ₹ 27
So, B made a profit of ₹ 27 and A made a profit of ₹ 20
So, B made a profit of (₹ 27 - ₹ 20) ₹ 7 more than A
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