If the price of petrol increases by 10%, by what percentage should a person decrease their usage to keep the budget unchanged? MCQ with Answer and Explanation
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Question #1
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A student scored 42% marks and failed by 12 marks. Another student scored 58% marks and got 20 marks more than the passing marks. Find the maximum marks.
Correct Answer: Option B
Explanation:
0.42M + 12 = 0.58M - 20 → 32 = 0.16M → M = 200.
0.42M + 12 = 0.58M - 20 → 32 = 0.16M → M = 200.
This question belongs to:
Maths
Percentage
Question #2
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A cricket team won 60% of 50 matches. Matches lost:
Correct Answer: Option B
Explanation:
Lost = 40% of 50 = 20.
Lost = 40% of 50 = 20.
This question belongs to:
Maths
Percentage
Question #3
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The value of a machine is 10,000. It depreciates by 10% annually. What will be its value after 2 years?
Correct Answer: Option B
Explanation:
Value = P * (1 - R/100)^t = 10000 * (0.90)^2 = 10000 * 0.81 = 8100.
Value = P * (1 - R/100)^t = 10000 * (0.90)^2 = 10000 * 0.81 = 8100.
This question belongs to:
Maths
Percentage
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