A shopkeeper sells an article at 15% profit. Had he bought it at 10% less and sold it for Rs. 10 more, he would have gained 30%. Find the cost price. MCQ with Answer and Explanation

Question

A shopkeeper sells an article at 15% profit. Had he bought it at 10% less and sold it for Rs. 10 more, he would have gained 30%. Find the cost price.

A. Rs. 500

B. Rs. 600

C. Rs. 400

D. Rs. 700

Answer: Option A

Solution (By JKSSB Mock Tests)

CP=x, SP=1.15x. New CP=0.9x, new SP=1.15x+10 = 1.3×0.9x = 1.17x → 0.02x=10 → x=500.

This question belongs to: Maths Percentage

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Question #1

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To pass need 36%. Student gets 45 marks, fails by 27. Max marks:

A. 225

B. 250

C. 180

D. 200

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Correct Answer: Option D

Explanation:
Pass = 72, 36% M = 72 → M = 200.

This question belongs to: Maths Percentage

Question #2

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80% passed English, 70% Maths, 60% both. % failed both:

A. 10%

B. 20%

C. 5%

D. 15%

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Correct Answer: Option A

Explanation:
Pass at least one = 80+70-60=90%, fail both = 10%.

This question belongs to: Maths Percentage

Question #3

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What is 20% of 50% of 300?

A. 35

B. 40

C. 30

D. 25

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Correct Answer: Option C

Explanation:
0.2 × 0.5 × 300 = 30.

This question belongs to: Maths Percentage

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