15% of 40 greater than 25% of a number by 2. The number: MCQ with Answer and Explanation

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15% of 40 greater than 25% of a number by 2. The number:

A. 14

B. 18

C. 12

D. 16

Answer: Option D

Solution (By JKSSB Mock Tests)

6 = 0.25x + 2 → 0.25x = 4 → x = 16.

This question belongs to: Maths Percentage

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Question #1

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A man gave 25% of his money to his wife and 40% of the remainder to his son. If he still had Rs. 4500 left, what was the total amount?

A. Rs. 9000

B. Rs. 10000

C. Rs. 8000

D. Rs. 12000

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Correct Answer: Option B

Explanation:
Wife 25%, left 75%. Son 40% of 75% = 30% of total. Left 45% = 4500 → total=10000.

This question belongs to: Maths Percentage

Question #2

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A man spends 70% of his salary and saves Rs. 6000. His salary is:

A. 18000

B. 15000

C. 22000

D. 20000

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Correct Answer: Option D

Explanation:
Savings = 30% = 6000 → salary = 6000/0.3 = 20000.

This question belongs to: Maths Percentage

Question #3

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A number is increased by 50% and then decreased by 50%. The net change is:

A. 50% decrease

B. 25% increase

C. 25% decrease

D. No change

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Correct Answer: Option C

Explanation:
1.5 × 0.5 = 0.75, 25% decrease.

This question belongs to: Maths Percentage

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