Discussion of Question with ID = 002 under Problems-on-Trains

This is the discussion forum for this question. If you find any mistakes in the solution, or if you have a better solution, then this is the right place to discuss. A healthy discussion helps all of us, so you are requested to be polite and soft, even if you disagree with the views of others. The question and its current solution has also been given on this page.

Advertisement

Question

A train is running at a speed of 56m/s. If it takes 3sec to move past a telegraph pole, then what is its length?

A

168 meters.

B

169 meters.

C

167 meters.

D

170 meters.

Soln.
Ans: a

The total distance to be covered is equal to the length of the train. By the time and distance formula, we get length = time × speed, which gives $3 × 56$ = 168m.


Comments and Discussion