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Sum of the present age of the family excluding girl = 6 x (60 + 9) = 414 years Sum of the present age of the family including girl = 7 x 60 = 420 years Present age of the girl = 420 – 414 = 6 years
If the ratio of speed of train C and Train D is 5:8 and takes 20 seconds to completely cross each other in same direction. If the ratio of their length ...
A train moving at 72 km/h takes 20 seconds to pass a pole. Find the time required for the train to cross a platform that is 0.6 times the length of the ...
Train ‘A’ running with a speed of 108 km/hr crosses a vertical pole in 8 seconds. Find the time taken by the train ‘A’ to cross a train ‘B’ ...
A man running at the speed of 5 kmph was over taken by the train moving with the speed of 41 kmph in 20 seconds. Find the length of train.
A train 250 metre long takes 25 sec to cross a man running at a speed of 9 km/hr in the direction same to that of train. What is the speed of the train?
Train ‘A’ can cross a pole in 10 seconds and a 140 metre long platform in 12 seconds. If the ratio of length of train ‘A’ and train ‘B’ is 2...
A motor car travels a distance of 180 km at the speed of 20 kmph. If it covers the next 100 km of its journey at the speed of 20 kmph and last 40 km of ...
There are two trains A and B. A start from point X at 5 AM towards point Y. Another train B starts at 6 AM from point X. If they meet at 10 AM an...
A train 500 m long running at 108 km/hr takes 40 seconds to cross a bridge. The length of the bridge is
Train B whose length is (l+40) metre can cross a pole in 20 seconds. Train A can cross 168 metre long platform in 44 seconds. The length of train A is 8...