40% of a number exceeds 25% of the same number by 30. What is 75% of the number? MCQ with Answer and Explanation
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Question #1
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A candidate got 60% votes and won by 200 votes. Total votes polled:
Correct Answer: Option B
Explanation:
Margin = 20% of total = 200 → total = 1000.
Margin = 20% of total = 200 → total = 1000.
This question belongs to:
Maths
Percentage
Question #2
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The price of petrol increases by 30%. By what percent should a person reduce consumption so that expenditure increases only by 10%?
Correct Answer: Option D
Explanation:
1.3 × x = 1.1 → x = 1.1/1.3 ≈ 0.84615, reduction 15.38%.
1.3 × x = 1.1 → x = 1.1/1.3 ≈ 0.84615, reduction 15.38%.
This question belongs to:
Maths
Percentage
Question #3
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A number is decreased by 10% and then increased by 20%. The net change is:
Correct Answer: Option D
Explanation:
0.9 × 1.2 = 1.08, 8% increase.
0.9 × 1.2 = 1.08, 8% increase.
This question belongs to:
Maths
Percentage
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