Question
A, B and C can do a piece of work in 20, 30 and 60 days,
respectively. In how many days can A do the work if he is assisted by both B and C on every third day?Solution
The correct answer is B
A train traveling at 43.2 km/h takes 'm' seconds to pass a pole. What is the length of the train in meters?
A train crosses a pole and a platform of length 396 metres in 6 seconds and 18 seconds, respectively. Find the length of train.
Train X, traveling at a speed of 36 km/hr, crosses another train Y, which is moving in the opposite direction at a speed of 72 km/hr, in 't' seconds. If...
If the length of a train were halved, it would take 8 seconds to pass a pole. Given that the train's speed is 25 m/sec, determine the time required for ...
- Train 'X' can cross a pole in 15 seconds and a 180 metres long bridge in 18 seconds. Train 'Y' whose length is 80% of the length of train 'X' runs in the s...
The running speed of a train is 100 km/hr. When stoppages are considered, its average speed becomes 80 km/hr. Calculate the time the train halts every h...
The speed of a Vande Bharat train is 72 km/h, and it takes 16 seconds to cross a tree. Determine the time taken by the train to cross a platform when th...
Two trains of lengths 150 m and 200 m are running in opposite directions at speeds of 54 km/h and 72 km/h respectively. In how many seconds will they co...
A train can cross a pole, a bridge of 340 meter long and platform of 320 meter long in 12 seconds, _____ seconds and 28 seconds, respectively.
Th...
- Two trains ‘A’ and ‘B’ of length 480 metres and 320 metres respectively are travelling towards each other. Ratio of speed of ‘A’ to ‘B’ is ...
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