Decrease 800 by 25%. Result is: MCQ with Answer and Explanation

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Decrease 800 by 25%. Result is:

A. 750

B. 650

C. 700

D. 600

Answer: Option D

Solution (By JKSSB Mock Tests)

800 × 0.75 = 600.

This question belongs to: Maths Percentage

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Question #1

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In a class of 50, 40% are girls. Number of boys is:

A. 25

B. 32

C. 28

D. 30

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Correct Answer: Option D

Explanation:
60% of 50 = 30 boys.

This question belongs to: Maths Percentage

Question #2

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Spends 15% rent, 10% food, 20% education, 25% others, saves Rs. 15000. Salary:

A. 45000

B. 55000

C. 40000

D. 50000

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Correct Answer: Option D

Explanation:
Total spend 70%, save 30% = 15000, salary = 15000/0.3 = 50000.

This question belongs to: Maths Percentage

Question #3

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Production increased from 6000 to 7200. Percentage increase:

A. 20%

B. 18%

C. 15%

D. 22%

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Correct Answer: Option A

Explanation:
(1200/6000)×100 = 20%.

This question belongs to: Maths Percentage

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