Price of sugar increased 25%. Expenditure to rise only 12%. Consumption reduced by: MCQ with Answer and Explanation

Price of sugar increased 25%. Expenditure to rise only 12%. Consumption reduced by:

A. 11.2%

B. 12%

C. 10.4%

D. 13.6%

Answer: Option C

1.25 × x = 1.12 → x = 1.12/1.25 = 0.896, reduction 10.4%.

This question belongs to: Maths Percentage

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Question #1 Report Error

In a 40-litre mixture of milk and water, the ratio is 3:2. How many litres of water must be added to change the ratio to 1:2?

A. 28 L

B. 24 L

C. 32 L

D. 36 L

Correct Answer: Option C

Explanation:
Milk = 24, water = 16. For milk:water = 1:2, water = 48, add 32 L.

This question belongs to: Maths Percentage

Question #2 Report Error

A number increased by 25% then by 20% becomes 180. Original number:

A. 110

B. 100

C. 130

D. 120

Correct Answer: Option D

Explanation:
x × 1.25 × 1.2 = 1.5x = 180 → x = 120.

This question belongs to: Maths Percentage

Question #3 Report Error

Salary increased by 15% then decreased by 15%. Net effect:

A. 2.25% decrease

B. 1.5% decrease

C. 2.25% increase

D. No change

Correct Answer: Option A

Explanation:
1.15 × 0.85 = 0.9775, 2.25% decrease.

This question belongs to: Maths Percentage