A man gave 30% to wife, 20% of remainder to son, 25% of remainder to daughter, rest Rs. 8400 to charity. Total amount: MCQ with Answer and Explanation

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A man gave 30% to wife, 20% of remainder to son, 25% of remainder to daughter, rest Rs. 8400 to charity. Total amount:

A. 18000

B. 24000

C. 22000

D. 20000

Answer: Option D

Solution (By JKSSB Mock Tests)

Wife 30%, left 70%. Son 14% of total (20% of 70), left 56%. Daughter 25% of 56=14%, left 42% = 8400 → total=20000.

This question belongs to: Maths Percentage

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Question #1

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A number increased by 20% then by 25% becomes 150. Original number:

A. 100

B. 110

C. 80

D. 90

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Correct Answer: Option A

Explanation:
x × 1.2 × 1.25 = 150 → 1.5x = 150 → x = 100.

This question belongs to: Maths Percentage

Question #2

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Cost of 25 items = SP of 20 items. Profit %:

A. 22.5%

B. 20%

C. 25%

D. 30%

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Correct Answer: Option C

Explanation:
Profit = (5/20)×100 = 25%.

This question belongs to: Maths Percentage

Question #3

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If the price of rice decreases by 20%, by what percentage can consumption be increased without changing expenditure?

A. 33.33%

B. 20%

C. 30%

D. 25%

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Correct Answer: Option D

Explanation:
Required increase = (R / (100 - R)) * 100. (20 / 80) * 100 = 25%.

This question belongs to: Maths Percentage

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