In a school, 60% boys, 40% girls. 20% of boys and 30% of girls get scholarship. % of students without scholarship: MCQ with Answer and Explanation

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In a school, 60% boys, 40% girls. 20% of boys and 30% of girls get scholarship. % of students without scholarship:

A. 72%

B. 76%

C. 70%

D. 80%

Answer: Option B

Solution (By JKSSB Mock Tests)

Scholarship boys = 12% of total, girls = 12%, total 24%, without = 76%.

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. 900

B. 1100

C. 800

D. 1000

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Correct Answer: Option D

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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In 80 L mixture, milk:water = 5:3. Water added to make ratio 1:2:

A. 90 L

B. 60 L

C. 70 L

D. 80 L

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Correct Answer: Option C

Explanation:
Milk=50 L, water=30 L. For milk:water = 1:2, water needed=100 L, add 70 L.

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Question #3

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A number is increased by 20% and then decreased by 20%. The resulting number is 20 less than the original. Find the original number.

A. 450

B. 500

C. 400

D. 550

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Correct Answer: Option B

Explanation:
1.2×0.8=0.96, 0.96x = x - 20 → 0.04x=20 → x=500.

This question belongs to: Maths Percentage

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