A shopkeeper sells an article at 10% profit. Had he bought it at 20% less and sold it for Rs. 12 less, he would have gained 30%. Find the cost price. MCQ with Answer and Explanation

Question

A shopkeeper sells an article at 10% profit. Had he bought it at 20% less and sold it for Rs. 12 less, he would have gained 30%. Find the cost price.

A. Rs. 200

B. Rs. 150

C. Rs. 220

D. Rs. 180

Answer: Option A

Solution (By JKSSB Mock Tests)

CP=x, SP=1.1x. New CP=0.8x, new SP=1.1x-12 = 1.3×0.8x = 1.04x → 0.06x=12 → x=200.

This question belongs to: Maths Percentage

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Question #1

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A shopkeeper allows a discount of 25% on the marked price and still gains 20%. If the cost price is Rs. 600, find the marked price.

A. Rs. 960

B. Rs. 800

C. Rs. 1000

D. Rs. 900

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Correct Answer: Option A

Explanation:
SP = 600×1.2=720. MP = 720/0.75 = 960.

This question belongs to: Maths Percentage

Question #2

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Price reduced 25%, enables buying 3 kg more for Rs. 90. Reduced price/kg:

A. Rs. 7

B. Rs. 7.5

C. Rs. 8

D. Rs. 6

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Correct Answer: Option B

Explanation:
Original price x, xy=90. New 0.75x(y+3)=90 → 0.75×90 + 2.25x=90 → x=10, reduced 7.5.

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Question #3

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If the price of sugar increases by 25%, by what percentage must consumption be reduced so that expenditure remains the same?

A. 20%

B. 25%

C. 15%

D. 30%

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Correct Answer: Option A

Explanation:
Required reduction = (R / (100 + R)) * 100. (25 / 125) * 100 = 20%.

This question belongs to: Maths Percentage

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