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? MCQ with Answer and Explanation

Question

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. 44%

B. 48%

C. 46%

D. 50%

Answer: Option C

Solution (By JKSSB Mock Tests)

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

This question belongs to: Maths Percentage

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Question #1

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In a college, 40% are girls. 50% of the boys and 60% of the girls passed an exam. If 460 students failed, find the total number of students.

A. 1000

B. 900

C. 1100

D. 800

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Correct Answer: Option A

Explanation:
Total T. Boys=0.6T, girls=0.4T. Passed=0.5×0.6T+0.6×0.4T=0.3T+0.24T=0.54T. Failed=0.46T=460 → T=1000.

This question belongs to: Maths Percentage

Question #2

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A's marks 25% more than B, B's 20% less than C. A=150, find C:

A. 150

B. 130

C. 140

D. 120

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Correct Answer: Option A

Explanation:
A=1.25B, B=0.8C → A=1.25×0.8C = C, so C=150.

This question belongs to: Maths Percentage

Question #3

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In an exam, 35% failed in Maths, 25% in English, 15% in both. Pass percentage is:

A. 55%

B. 50%

C. 45%

D. 60%

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Correct Answer: Option A

Explanation:
Failed in at least one = 35+25-15 = 45%, pass = 55%.

This question belongs to: Maths Percentage

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