exam Maths Puzzle

A train 120m in length passes a pole in 12sec and another train of length 100m travelling in opposite direction in 10sec. Find the speed of the second train in km per hour.

A.

43.2 km/hr

B.

43 km/hr

C.

44 km/hr

D.

43.5 km/hr

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exam Other Question
Walking at the rate of 4kmph a man cover certain distance in 2hr 45 min. Running at a speed of 16.5 kmph the man will cover the same distance in.

A.

12 min

B.

25 min

C.

40 min

D.

60 min
A thief steals a car and drives it at 15 km/hr. The theft has been discovered after one hour and the owner of the car sets off in another car at 25 km/hr. When will the owner overtake the thief from the starting point?

A.

1 hr

B.

1.5 hr

C.

2 hr

D.

2.5 hr