45 is what percentage of 90? MCQ with Answer and Explanation

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45 is what percentage of 90?

A. 55%

B. 40%

C. 50%

D. 45%

Answer: Option C

Solution (By JKSSB Mock Tests)

(45 / 90) * 100 = 50%.

This question belongs to: Maths Percentage

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Question #1

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A person's salary increased from 4000 to 5000. What is the percentage increase?

A. 30%

B. 25%

C. 20%

D. 35%

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Correct Answer: Option B

Explanation:
Increase = 5000 - 4000 = 1000. Percentage increase = (1000 / 4000) * 100 = 25%.

This question belongs to: Maths Percentage

Question #2

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A man's salary is increased by 12% and then decreased by 12%. Find the net change in his salary.

A. 1.44% increase

B. 2.4% decrease

C. 1.44% decrease

D. No change

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Correct Answer: Option C

Explanation:
1.12 × 0.88 = 0.9856, decrease 1.44%.

This question belongs to: Maths Percentage

Question #3

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Rice price reduced 20%, buys 10 kg more for Rs. 200. Reduced price/kg:

A. Rs. 5

B. Rs. 4.5

C. Rs. 4

D. Rs. 3.5

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Correct Answer: Option C

Explanation:
Original price x, xy=200. 0.8x(y+10)=200 → 160+8x=200 → x=5, reduced 4.

This question belongs to: Maths Percentage

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