A man spends 50% of his income. His income rises by 50% and expenditure by 20%. Percentage increase in savings is: MCQ with Answer and Explanation

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A man spends 50% of his income. His income rises by 50% and expenditure by 20%. Percentage increase in savings is:

A. 60%

B. 90%

C. 80%

D. 70%

Answer: Option C

Solution (By JKSSB Mock Tests)

Let income = 100, exp = 50, sav = 50. New income = 150, exp = 60, sav = 90. Increase = 40 on 50 = 80%.

This question belongs to: Maths Percentage

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Question #1

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A student gets 75% marks, which is 90 marks more than the passing marks. If the passing requirement is 45%, what is the maximum marks?

A. 400

B. 300

C. 350

D. 250

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Correct Answer: Option B

Explanation:
Difference = 75% - 45% = 30%. 30% of Maximum = 90. Maximum = 90 * (100 / 30) = 300.

This question belongs to: Maths Percentage

Question #2

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A dishonest shopkeeper uses 900 g weight instead of 1 kg. His profit %:

A. 11.11%

B. 10%

C. 12.5%

D. 9.09%

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Correct Answer: Option A

Explanation:
Profit = (100/900)×100 = 11.11%.

This question belongs to: Maths Percentage

Question #3

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40% read newspaper A, 50% read B, 10% both. % read neither:

A. 15%

B. 25%

C. 20%

D. 10%

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Correct Answer: Option C

Explanation:
At least one = 40+50-10=80%, neither = 20%.

This question belongs to: Maths Percentage

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