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

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

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 Report Error

Price reduced 40% then increased 25%. Net change:

A. 10% decrease

B. 25% decrease

C. 15% decrease

D. 20% decrease

Correct Answer: Option B

Explanation:
0.6 × 1.25 = 0.75, 25% decrease.

This question belongs to: Maths Percentage

Question #2 Report Error

A student got 360 marks out of 500. Percentage is:

A. 75%

B. 68%

C. 72%

D. 70%

Correct Answer: Option C

Explanation:
(360/500)×100 = 72%.

This question belongs to: Maths Percentage

Question #3 Report Error

Price decreased by 15% then increased by 15%. Net change is:

A. No change

B. 2.25% decrease

C. 1.5% decrease

D. 2.25% increase

Correct Answer: Option B

Explanation:
0.85 × 1.15 = 0.9775, 2.25% decrease.

This question belongs to: Maths Percentage