In a class of 60 students, 55% are girls. Number of boys is: MCQ with Answer and Explanation

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In a class of 60 students, 55% are girls. Number of boys is:

A. 27

B. 24

C. 30

D. 33

Answer: Option A

Solution (By JKSSB Mock Tests)

45% of 60 = 27 boys.

This question belongs to: Maths Percentage

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Question #1

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In a school, 60% are boys and 40% are girls. If 50% of the boys and 60% of the girls are absent, what percent of the total students are present?

A. 48%

B. 46%

C. 50%

D. 44%

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Correct Answer: Option B

Explanation:
Total = 100. Boys=60, girls=40. Absent boys=30, absent girls=24, total absent=54. Present = 46%.

This question belongs to: Maths Percentage

Question #2

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45% of a number is 135. The number is:

A. 250

B. 300

C. 320

D. 280

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Correct Answer: Option B

Explanation:
0.45x = 135 → x = 300.

This question belongs to: Maths Percentage

Question #3

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In an election between two candidates, the winner got 60% of the votes and won by a majority of 400 votes. What was the total number of votes cast?

A. 1000

B. 2000

C. 2500

D. 1500

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Correct Answer: Option B

Explanation:
Winner = 60%, Loser = 40%. Difference = 20%. 20% of Total = 400. Total = 400 * (100 / 20) = 2000.

This question belongs to: Maths Percentage

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