If the price of sugar increases by 20%, by how much percent must consumption be reduced to keep expenditure constant? MCQ with Answer and Explanation

If the price of sugar increases by 20%, by how much percent must consumption be reduced to keep expenditure constant?

A. 16.67%

B. 15%

C. 25%

D. 20%

Answer: Option A

Reduction % = (20/120)×100 = 16.67%.

This question belongs to: Maths Percentage

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Question #1 Report Error

A person travels for 4 hours at 60 kmph and then for 6 hours at 50 kmph. What is his average speed?

A. 53 kmph

B. 54 kmph

C. 55 kmph

D. 52 kmph

Correct Answer: Option B

Explanation:
Total distance = 4×60 + 6×50 = 240+300=540 km. Total time = 10 h. Avg speed = 540/10 = 54 kmph.

This question belongs to: Maths Percentage

Question #2 Report Error

Difference between 56% and 34% of a number is 132. The number is:

A. 600

B. 650

C. 550

D. 500

Correct Answer: Option A

Explanation:
22% of number = 132 → number = 132/0.22 = 600.

This question belongs to: Maths Percentage

Question #3 Report Error

Length, breadth, height increased 10%, 20%, 30%. % increase in volume:

A. 66%

B. 72.8%

C. 71.6%

D. 60%

Correct Answer: Option C

Explanation:
1.1×1.2×1.3 = 1.716, increase 71.6%.

This question belongs to: Maths Percentage