Price of pen up 12%. By what % reduce consumption so that expenditure rises only 4%? MCQ with Answer and Explanation

Price of pen up 12%. By what % reduce consumption so that expenditure rises only 4%?

A. 8%

B. 7.14%

C. 8.33%

D. 6.67%

Answer: Option B

1.12 × x = 1.04 → x = 1.04/1.12 = 0.92857, reduction = 7.14%.

This question belongs to: Maths Percentage

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Question #1 Report Error

A man spends 25% on rent, 20% of remainder on food, 15% of remainder on education, saves Rs. 15300. Income:

A. 32000

B. 28000

C. 30000

D. 25000

Correct Answer: Option C

Explanation:
Rent 0.25I, left 0.75I. Food 0.15I, left 0.6I. Education 0.09I, left 0.51I = 15300 → I=30000.

This question belongs to: Maths Percentage

Question #2 Report Error

The salary of a person was first increased by 20% and then decreased by 20%. If his original salary was Rs. 5000, what is his final salary?

A. Rs. 4600

B. Rs. 4920

C. Rs. 4800

D. Rs. 4900

Correct Answer: Option C

Explanation:
5000 × 1.2 × 0.8 = 5000 × 0.96 = 4800.

This question belongs to: Maths Percentage

Question #3 Report Error

A man's income is Rs. 12000, he saves 20%. His savings are:

A. 3000

B. 2400

C. 2600

D. 2000

Correct Answer: Option B

Explanation:
20% of 12000 = 2400.

This question belongs to: Maths Percentage