A man covers a distance at a speed of 60 kmph and returns back at a speed of 40 kmph. What is his average speed for the whole journey? MCQ with Answer and Explanation

A man covers a distance at a speed of 60 kmph and returns back at a speed of 40 kmph. What is his average speed for the whole journey?

A. 55 kmph

B. 50 kmph

C. 48 kmph

D. 52 kmph

Answer: Option C

Average speed = 2×60×40/(60+40) = 4800/100 = 48 kmph. (Note: Not percentage but included as tough TSD).

This question belongs to: Maths Percentage

No comments yet. Be the first to start the discussion!

Question #1 Report Error

Fresh fruit has 68% water, dry fruit 20% water. Dry fruit from 100 kg fresh fruit:

A. 50 kg

B. 60 kg

C. 32 kg

D. 40 kg

Correct Answer: Option D

Explanation:
Dry matter in fresh = 32 kg, in dry fruit 80% is dry matter, weight = 32/0.8 = 40 kg.

This question belongs to: Maths Percentage

Question #2 Report Error

A number increased by 15% is 138. The number is:

A. 120

B. 125

C. 110

D. 115

Correct Answer: Option A

Explanation:
1.15x = 138 → x = 120.

This question belongs to: Maths Percentage

Question #3 Report Error

What is 45% of 200 minus 20% of 150?

A. 55

B. 65

C. 60

D. 50

Correct Answer: Option C

Explanation:
90 - 30 = 60.

This question belongs to: Maths Percentage