A shopkeeper sells an article at 20% profit. Had he bought it at 10% less and sold it for Rs. 30 more, he would have gained 40%. Find the cost price. MCQ with Answer and Explanation

Question

A shopkeeper sells an article at 20% profit. Had he bought it at 10% less and sold it for Rs. 30 more, he would have gained 40%. Find the cost price.

A. Rs. 450

B. Rs. 550

C. Rs. 400

D. Rs. 500

Answer: Option D

Solution (By JKExamLibrary)

CP=x, SP=1.2x. New CP=0.9x, new SP=1.2x+30 = 1.4×0.9x = 1.26x → 0.06x=30 → x=500.

This question belongs to: Maths Percentage

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Question #1

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In a class of 40, 30% are girls. Number of boys is:

A. 32

B. 26

C. 30

D. 28

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Correct Answer: Option D

Explanation:
70% of 40 = 28 boys.

This question belongs to: Maths Percentage

Question #2

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85% passed English, 75% Maths, 65% both. % failed both:

A. 10%

B. 5%

C. 12%

D. 8%

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Correct Answer: Option B

Explanation:
Pass at least one = 85+75-65=95%, fail both = 5%.

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Question #3

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If 20% of a number is 60, the number is:

A. 300

B. 240

C. 400

D. 360

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Correct Answer: Option A

Explanation:
0.2x = 60 → x = 300.

This question belongs to: Maths Percentage

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