Question
Which of the following numbers will replace the question
mark(?) in the given series? 7, 7, 5, 15, 11, 55, 49, 343,?Solution
The correct answer is A
Train A departs from a station at a speed of 195 km/h, 16 hours following the departure of Train B. It takes Train A 10 hours to catch up to Train B. Ca...
Aruna is aboard train A, which is moving at a speed of 50 km/h. Another train, train B, travels in the opposite direction at 58 km/h and has a length th...
Train Q of length 360m can cross a pole in 12sec and it can cross train P running in opposite direction in 100/7 sec. If the speed of train P is 2/5 of ...
When a train Q vacated station A at 4 am and reached station B at 7 am. Another train P Vacated station B at 6 am and reached station A at 8:30 am. At a...
- A truck moving at 30 km/h is overtaken by a train in 20 seconds. If the train is travelling at twice the speed of the truck, calculate its length.
Time is taken by two trains running in opposite directions to cross a man standing on the platform in 24 seconds and 14 seconds respectively. It took 20...
Train ‘A’ running with a speed of 90 km/h crosses a pole in 7 seconds. If the time taken by train ‘A’ to cross train ‘B’ running with a spee...
A train approaches a tunnel a PQ. Inside the tunnel a cat located at a point i.e., 7/16 of a distance PQ measured from the entrance P. When the train wh...
A train 500 m long running at 90 km/hr takes 40 seconds to cross a bridge. The length of the bridge is
Two trains of equal lengths take 30 seconds and 45 seconds respectively to cross a telegraph post. If the length of each train be 450 metres, in what ti...
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