A man's monthly salary is Rs. 20000. He spends 20% on rent and 30% of the remaining on food. How much does he save? MCQ with Answer and Explanation

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A man's monthly salary is Rs. 20000. He spends 20% on rent and 30% of the remaining on food. How much does he save?

A. 10000

B. 11200

C. 12000

D. 14000

Answer: Option B

Solution (By JKSSB Mock Tests)

Remaining after rent = 80% of 20000 = 16000. Spent on food = 30% of 16000 = 4800. Savings = 16000 - 4800 = 11200.

This question belongs to: Maths Percentage

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A number is 50% more than another number. If the smaller number is 60, what is 40% of the larger number?

A. 36

B. 45

C. 40

D. 30

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Correct Answer: Option A

Explanation:
Larger = 60 × 1.5 = 90, 40% of 90 = 36.

This question belongs to: Maths Percentage

Question #2

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Price reduced 40% then increased 25%. Net change:

A. 25% decrease

B. 10% decrease

C. 20% decrease

D. 15% decrease

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Correct Answer: Option A

Explanation:
0.6 × 1.25 = 0.75, 25% decrease.

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Question #3

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The population of a town is 10,000. It increases by 10% annually. What will be the population after 2 years?

A. 12100

B. 12200

C. 11000

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Correct Answer: Option A

Explanation:
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