Railway GDCE Junior Engineer Practice Quiz

Question 1

Three warning bells ring at intervals of 18 seconds, 24 seconds and 32 seconds. All three ring together at exactly 08:00:00.

At what time do all three next ring together?

Accepted Answer

08:04:48

Question 2

A goods train 180 m long runs at a uniform speed of 54 km/h. How long does it take to pass completely over a platform 270 m long?

Accepted Answer

30 seconds

Question 3

Two trains, 200 m and 250 m long, run on parallel tracks in opposite directions at uniform speeds of 63 km/h and 45 km/h. How long do they take to pass each other completely, from the moment their fronts meet?

Accepted Answer

15 seconds

Question 4

A alone can finish a piece of work in 12 days and B alone can finish it in 18 days. They work together for 4 days, and then A leaves. In how many more days does B alone finish the remaining work?

Accepted Answer

8 days

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