Value of a scooter depreciates 10% per year. Price 40,000, after 1 year value is: MCQ with Answer and Explanation
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Question #1
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Numerator of a fraction increased by 20%, denominator decreased by 10%, fraction becomes 2/3. Original fraction:
Correct Answer: Option D
Explanation:
(1.2a)/(0.9b) = 2/3 → (4/3)(a/b)=2/3 → a/b = 1/2.
(1.2a)/(0.9b) = 2/3 → (4/3)(a/b)=2/3 → a/b = 1/2.
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Percentage
Question #2
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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:
Correct Answer: Option A
Explanation:
Wife 30%, left 70%. Son 14% of total (20% of 70), left 56%. Daughter 25% of 56=14%, left 42% = 8400 → total=20000.
Wife 30%, left 70%. Son 14% of total (20% of 70), left 56%. Daughter 25% of 56=14%, left 42% = 8400 → total=20000.
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Maths
Percentage
Question #3
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A man's salary increased from Rs. 8000 to Rs. 10000. Percentage increase is:
Correct Answer: Option C
Explanation:
Increase = 2000, % = (2000/8000)×100 = 25%.
Increase = 2000, % = (2000/8000)×100 = 25%.
This question belongs to:
Maths
Percentage
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