What is 30% of 30% of 200? MCQ with Answer and Explanation
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Question #1
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33 1/3 % of 240 is:
Correct Answer: Option D
Explanation:
33 1/3% = 1/3, (1/3)×240 = 80.
33 1/3% = 1/3, (1/3)×240 = 80.
This question belongs to:
Maths
Percentage
Question #2
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A candidate scored 30% marks and failed by 60 marks. Another candidate scored 50% marks and got 60 marks above the passing marks. Find the maximum marks.
Correct Answer: Option B
Explanation:
0.3M + 60 = 0.5M - 60 → 0.2M = 120 → M = 600. Passing marks = 0.3×600+60 = 240.
0.3M + 60 = 0.5M - 60 → 0.2M = 120 → M = 600. Passing marks = 0.3×600+60 = 240.
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Maths
Percentage
Question #3
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A number is increased by 10% and then the new number is decreased by 10%. If the final result is 99, find the original number.
Correct Answer: Option C
Explanation:
1.1 × 0.9 = 0.99, 0.99x = 99 → x = 100.
1.1 × 0.9 = 0.99, 0.99x = 99 → x = 100.
This question belongs to:
Maths
Percentage
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