A train 150 m long crosses a pole in 10 seconds. What is its speed in kmph? MCQ with Answer and Explanation

A train 150 m long crosses a pole in 10 seconds. What is its speed in kmph?

A. 54 kmph

B. 45 kmph

C. 60 kmph

D. 36 kmph

Answer: Option A

Speed = 150/10 = 15 m/s = 15 × 18/5 = 54 kmph.

This question belongs to: Maths Percentage

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

Question #1 Report Error

A number is divided by 5 and the quotient is increased by 10% then decreased by 10%. The result is 198. Find the number.

A. 900

B. 1000

C. 1100

D. 800

Correct Answer: Option B

Explanation:
(N/5)×1.1×0.9 = (N/5)×0.99 = 198 → N/5 = 200 → N=1000.

This question belongs to: Maths Percentage

Question #2 Report Error

If A's salary is 25% more than B's salary, then by what percentage is B's salary less than A's salary?

A. 20%

B. 25%

C. 22.5%

D. 30%

Correct Answer: Option A

Explanation:
Let B's salary be 100. A's salary = 125. B is 25 less than A. Percentage = (25 / 125) * 100% = 20%.

This question belongs to: Maths Percentage

Question #3 Report Error

90 is what percent of 150?

A. 65%

B. 55%

C. 70%

D. 60%

Correct Answer: Option D

Explanation:
(90/150) × 100 = 60%.

This question belongs to: Maths Percentage