SSC GD Constable 2015 · Question 22 of 88

A man allows a discount of 10% on a book whose marked price is Rs.40. What is the cost price so that the profit is 20% ?

percentage

ARs.35
BRs.40
CRs.30Correct
DRs.45

Answer: C. Rs.30

Explanation

Marked price = Rs. 40 Discount % = 10% 10 => Selling price = 40 − ( 100 × 40) = 40 − 4 = Rs. 36 Profit % = 20% 36 => Cost price = (100+20) × 100 36 = 6 × 5 = Rs. 30 => Ans - (C)

Source: Solved SSC GD 2015 Paper with Solutions — Collegedunia · reliable-secondary

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