The curved surface area of a hemisphere is 72π cm2, then its radius is:
The curved surface area of hemisphere with radius r is given as: CSA = 2πr2 ∴ 72π = 2πr2 ⇒ r = 6 cm
Train ‘A’ running with a speed of 108 km/hr crosses a vertical pole in 6 seconds. Find the approx. time taken by the train ‘A’ to cross a train ...
Two trains started from stations ‘A’ and ‘B’ at same time and started travelling towards each other at speeds of 66 km/hr and 56 km/hr, respecti...
Two cars start from a place with a speed of 50 km/hr at an interval of 12 minutes. What is the speed of a man coming from the opposite direction towards...
Two trains ‘A’ and ‘B’ started from station ‘P’ and ‘Q’ towards station ‘Q’ and ‘P’ respectively at the same time. When they met...
Train X, traveling at a speed of 72 km/hr, crosses another train Y, which is moving in the opposite direction at a speed of 108 km/hr, in 't' seconds. I...
Two cars start from a place with a speed of 65 km/hr at an interval of 15 minutes. A man coming from the opposite direction towards the place meets the ...
750 metres long train crosses a man who is moving in the same direction with a certain speed, in 50 seconds. If the same train can cross a tree in 20 se...
A train can cross a pole, a bridge of 600 meter long and platform of 400 meter long in 13 seconds, _____ seconds and 29 seconds, respectively.
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Two trains 160 metres and 140 metres in length are running towards each other on parallel tracks, one at the rate 52 km/hr and another at 38 km/hr. In h...
A train crosses a pilar in 20 seconds and a platform of length 300 metres in 25 seconds,then what will the 120% of the length of the train.
