To travel 600 km train A takes 8 hours more than B. If however the speed of train A is doubled it takes 2 hours less than B. What is the speed of train B.
A. 30
B. 40
C. 50
D. 60
Math mcqs
A train traveling at 36 km/h completely passes another train half its length in 12 seconds traveling in opposite direction at 54 km/h. If it also passes a platform in 1 1/2 minutes what is the length of platform:
A. 700
B. 860
C. 900
D. 1000
Two trains 90 and 110 meters long approach one another from opposite directions at 54 and 90 km/h. How long do they take to completely pass one another.
A. 0.5 seconds
B. 2 seconds
C. 5 seconds
D. 10 seconds
A train 100 meters long completely passes a man walking in the same direction at 6 km/h in 5 seconds and a car in the same direction in 6 seconds. The speed of car is:
A. 16 km/h
B. 18 km/h
C. 2/9 km/h
D. 1/9 km/h
A train 100 meters long completely crosses a bridge 300 meters long in 45 seconds. What is the speed of the train:
A. 32 km/h
B. 36 km/h
C. 40 km/h
D. 48 km/h
A train 100 meters long traveling at 48 km/h completely crosses a bridge in 30 seconds. How long is the bridge:
A. 100m
B. 150m
C. 200m
D. 300m
A train traveling at 36 km/h took 10 seconds to pass a stationary man. What was the length of the train?
A. 50m
B. 70m
C. 90m
D. 100m
Two trains for Lahore leave Rawalpindi at 8:30 AM and 9:00 AM and travel at 60 km/h and 70 km/h. How many kilometers from Rawalpindi will the two trains be together:
A. 100
B. 190
C. 210
D. 150
A train 110 meters long passes a telegraph pole in 3 seconds. How long will it take to cross a platform 165 meters long?
A. 4 seconds
B. 4.5 seconds
C. 7
D. 10 seconds
Two trains travel in the same direction at 50 and 32 km/h. A man in slower train observes that the faster train passes him in 15 seconds. The length of faster train is:
A. 75m
B. 100m
C. 150m
D. 341.66m