Ratio of two numbers 3:4. First increased 10%, second 20%. New ratio: MCQ with Answer and Explanation
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Question #1
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In an election, the losing candidate secured 40% of the votes and lost by 1200 votes. What was the total number of votes?
Correct Answer: Option B
Explanation:
Loser = 40%, Winner = 60%. Difference = 20%. 20% of Total = 1200. Total = 1200 * (100 / 20) = 6000.
Loser = 40%, Winner = 60%. Difference = 20%. 20% of Total = 1200. Total = 1200 * (100 / 20) = 6000.
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Maths
Percentage
Question #2
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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.
Correct Answer: Option D
Explanation:
(1.6N)/(0.8D) = 2N/D = 5/8 → N/D = 5/16. Wait, 2N/D = 5/8 → N/D = 5/16. That's option B. So I'll set correct B. But I have options: 3/8, 5/16, 5/12, 7/16. So B. I'll adjust options: A 3/8, B 5/16, C 5/12, D 7/16. So answer B.
(1.6N)/(0.8D) = 2N/D = 5/8 → N/D = 5/16. Wait, 2N/D = 5/8 → N/D = 5/16. That's option B. So I'll set correct B. But I have options: 3/8, 5/16, 5/12, 7/16. So B. I'll adjust options: A 3/8, B 5/16, C 5/12, D 7/16. So answer B.
This question belongs to:
Maths
Percentage
Question #3
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A student scored 72 marks out of 120. What is his percentage?
Correct Answer: Option B
Explanation:
Percentage = (72/120) × 100 = 60%.
Percentage = (72/120) × 100 = 60%.
This question belongs to:
Maths
Percentage
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