If the numerator of a fraction is increased by 60% and denominator decreased by 20%, the new fraction is 5/8. Find the original fraction. MCQ with Answer and Explanation
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Question #1
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A man spends 50% of his income. His income rises by 50% and expenditure by 20%. Percentage increase in savings is:
Correct Answer: Option C
Explanation:
Let income = 100, exp = 50, sav = 50. New income = 150, exp = 60, sav = 90. Increase = 40 on 50 = 80%.
Let income = 100, exp = 50, sav = 50. New income = 150, exp = 60, sav = 90. Increase = 40 on 50 = 80%.
This question belongs to:
Maths
Percentage
Question #2
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Production increased from 6000 to 7200. Percentage increase:
Correct Answer: Option C
Explanation:
(1200/6000)×100 = 20%.
(1200/6000)×100 = 20%.
This question belongs to:
Maths
Percentage
Question #3
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Population of a town is 1,32,300 now. Increased 5% annually. Population 2 years ago:
Correct Answer: Option B
Explanation:
Pop 2 years ago = 132300 / (1.05)² = 132300 / 1.1025 = 1,20,000.
Pop 2 years ago = 132300 / (1.05)² = 132300 / 1.1025 = 1,20,000.
This question belongs to:
Maths
Percentage
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