Sold watch at 5% loss. If sold for Rs. 27 more, gain 7%. Cost price: MCQ with Answer and Explanation

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Sold watch at 5% loss. If sold for Rs. 27 more, gain 7%. Cost price:

A. 240

B. 200

C. 225

D. 210

Answer: Option C

Solution (By JKSSB Mock Tests)

CP=x, SP=0.95x. 0.95x+27=1.07x → 0.12x=27 → x=225.

This question belongs to: Maths Percentage

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Question #1

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Car value depreciates 20% first year, 15% second. Bought for 4,00,000, value after 2 years:

A. 2,80,000

B. 2,72,000

C. 2,88,000

D. 2,56,000

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Correct Answer: Option B

Explanation:
4,00,000×0.8×0.85 = 2,72,000.

This question belongs to: Maths Percentage

Question #2

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If 40% of a number is added to another, second becomes 120% of itself. Ratio of first to second:

A. 1:2

B. 1:3

C. 2:3

D. 3:2

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Correct Answer: Option A

Explanation:
0.4F + S = 1.2S → 0.4F = 0.2S → F/S = 0.2/0.4 = 1/2.

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Question #3

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If 18% of x is 90, then x = ?

A. 500

B. 450

C. 550

D. 400

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Correct Answer: Option A

Explanation:
0.18x = 90 → x = 500.

This question belongs to: Maths Percentage

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