A person spends 30% of his income on rent, 20% of the remaining on food, and saves the rest. If he saves Rs. 11200, his income is: MCQ with Answer and Explanation

Question

A person spends 30% of his income on rent, 20% of the remaining on food, and saves the rest. If he saves Rs. 11200, his income is:

A. 20000

B. 25000

C. 22000

D. 18000

Answer: Option A

Solution (By JKSSB Mock Tests)

After rent 70% left, after food 0.8×70%=56% saved. 56% = 11200 → income=20000.

This question belongs to: Maths Percentage

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In a class of 50 students, 40% are girls. If 10% of boys and 20% of girls wear spectacles, how many students wear spectacles?

A. 9

B. 6

C. 8

D. 7

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Correct Answer: Option D

Explanation:
Boys=30, girls=20. Spectacles: 10% of 30=3, 20% of 20=4, total 7.

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If A is 25% less than B, then B is what percentage more than A?

A. 33.33%

B. 25%

C. 50%

D. 20%

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Correct Answer: Option A

Explanation:
Formula: (25 / 75) * 100 = (1 / 3) * 100 = 33.33%.

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A number is such that 25% of it is 5 more than 20% of it. Find the number.

A. 80

B. 120

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Correct Answer: Option C

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