In a school, 70% of 500 students are present. Number absent is: MCQ with Answer and Explanation

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In a school, 70% of 500 students are present. Number absent is:

A. 200

B. 100

C. 150

D. 350

Answer: Option C

Solution (By JKSSB Mock Tests)

Absent = 30% of 500 = 150.

This question belongs to: Maths Percentage

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Question #1

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A's salary is 50% of B's salary which is 40% of C's salary. What percent of C's salary is A's salary?

A. 15%

B. 25%

C. 30%

D. 20%

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Correct Answer: Option D

Explanation:
A = 0.5B, B = 0.4C → A = 0.5×0.4C = 0.2C = 20% of C.

This question belongs to: Maths Percentage

Question #2

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A number increased by 25% then by 20% becomes 180. Original number:

A. 120

B. 110

C. 100

D. 130

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Correct Answer: Option A

Explanation:
x × 1.25 × 1.2 = 1.5x = 180 → x = 120.

This question belongs to: Maths Percentage

Question #3

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A number is 20% less than another number. If the smaller number is 120, the larger number is:

A. 160

B. 150

C. 140

D. 144

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Correct Answer: Option B

Explanation:
Smaller = 80% of larger → 120 = 0.8L → L = 150.

This question belongs to: Maths Percentage

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