Population 15000, first year +10%, second year -10%. Population after 2 years: MCQ with Answer and Explanation
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Question #1
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A number divided by 4, quotient increased by 25% then decreased by 20% gives 150. Number:
Correct Answer: Option D
Explanation:
(N/4)×1.25×0.8 = (N/4)×1 = 150 → N/4=150 → N=600.
(N/4)×1.25×0.8 = (N/4)×1 = 150 → N/4=150 → N=600.
This question belongs to:
Maths
Percentage
Question #2
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Cost price Rs. 600, marked up 50%, then discount 20%. Profit percent:
Correct Answer: Option D
Explanation:
MP = 600×1.5 = 900, SP = 900×0.8 = 720, profit = 120, profit% = (120/600)×100 = 20%.
MP = 600×1.5 = 900, SP = 900×0.8 = 720, profit = 120, profit% = (120/600)×100 = 20%.
This question belongs to:
Maths
Percentage
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