What is 20% more than 350? MCQ with Answer and Explanation
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Question #1
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If the price of rice decreases by 20%, by what percentage can consumption be increased without changing expenditure?
Correct Answer: Option B
Explanation:
Required increase = (R / (100 - R)) * 100. (20 / 80) * 100 = 25%.
Required increase = (R / (100 - R)) * 100. (20 / 80) * 100 = 25%.
This question belongs to:
Maths
Percentage
Question #2
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Coal price up 15%, expenditure to rise only 8%. Reduce consumption by:
Correct Answer: Option B
Explanation:
1.15 × x = 1.08 → x = 1.08/1.15 ≈ 0.93913, reduction 6.09%, round to 6.08%.
1.15 × x = 1.08 → x = 1.08/1.15 ≈ 0.93913, reduction 6.09%, round to 6.08%.
This question belongs to:
Maths
Percentage
Question #3
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If 15% of a number is 75, the number is:
Correct Answer: Option C
Explanation:
Let the number be x. 15% of x = 75 → 0.15x = 75 → x = 75 / 0.15 = 500.
Let the number be x. 15% of x = 75 → 0.15x = 75 → x = 75 / 0.15 = 500.
This question belongs to:
Maths
Percentage
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