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. 11200

B. 12000

C. 14000

D. 10000

Answer: Option A

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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Question #1

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If A's salary is 20% more than B's, by what percent is B's salary less than A's?

A. 16.67%

B. 15%

C. 18%

D. 20%

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Correct Answer: Option A

Explanation:
B less % = (20/120)×100 = 16.67%.

This question belongs to: Maths Percentage

Question #2

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A number increased by 20% then decreased by 20% gives 192. Original number:

A. 180

B. 200

C. 210

D. 190

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Correct Answer: Option B

Explanation:
x × 1.2 × 0.8 = 0.96x = 192 → x = 200.

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Question #3

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A's salary is 20% more than B's, and B's salary is 20% more than C's. If the total salary of A, B, and C is Rs. 18200, find A's salary.

A. Rs. 6000

B. Rs. 7200

C. Rs. 6500

D. Rs. 7800

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Correct Answer: Option B

Explanation:
Let C=100, B=120, A=144. Ratio A:B:C = 144:120:100 = 36:30:25. Sum = 91 parts. 1 part = 18200/91 = 200. A=36×200=7200.

This question belongs to: Maths Percentage

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