Spends 20% rent, 15% food, 25% education, 10% others, saves Rs. 18000. Salary: MCQ with Answer and Explanation

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Spends 20% rent, 15% food, 25% education, 10% others, saves Rs. 18000. Salary:

A. 55000

B. 60000

C. 50000

D. 65000

Answer: Option B

Solution (By JKSSB Mock Tests)

Total spend 70%, save 30% = 18000, salary = 18000/0.3 = 60000.

This question belongs to: Maths Percentage

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Question #1

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A man saves 20% of his monthly income. If his monthly expenditure increases by 25% and his income increases by 30%, his savings increase by what percent?

A. 45%

B. 40%

C. 55%

D. 50%

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Correct Answer: Option D

Explanation:
Let income=100, exp=80, sav=20. New inc=130, new exp=80×1.25=100, sav=30. Increase = 10, % = (10/20)×100 = 50%.

This question belongs to: Maths Percentage

Question #2

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A number is increased by 20% and then decreased by 25%. The result is 36 less than the original. Find the original number.

A. 360

B. 400

C. 320

D. 300

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Correct Answer: Option A

Explanation:
1.2 × 0.75 = 0.9. 0.9x = x - 36 → 0.1x = 36 → x = 360.

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Question #3

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1/4 as percentage is:

A. 15%

B. 20%

C. 30%

D. 25%

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Correct Answer: Option D

Explanation:
(1/4)×100 = 25%.

This question belongs to: Maths Percentage

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