A man gave 25% of his money to his wife and 40% of the remainder to his son. If he still had Rs. 4500 left, what was the total amount? MCQ with Answer and Explanation
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Question #1
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The population of a town increases by 15% in the first year and decreases by 10% in the second year. If the population at the end of second year is 10350, what was the population at the beginning?
Correct Answer: Option D
Explanation:
Net multiplier = 1.15 × 0.9 = 1.035. Population = 10350/1.035 = 10000.
Net multiplier = 1.15 × 0.9 = 1.035. Population = 10350/1.035 = 10000.
This question belongs to:
Maths
Percentage
Question #2
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A person spends 10% of his salary on transport and 20% of the remaining on food. If he saves Rs. 3600, what is his total salary?
Correct Answer: Option A
Explanation:
Let total salary = x. x * (90/100) * (80/100) = 3600. 0.72x = 3600. x = 5000.
Let total salary = x. x * (90/100) * (80/100) = 3600. 0.72x = 3600. x = 5000.
This question belongs to:
Maths
Percentage
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