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Let the speed of the train = 4x m/s and speed of the man = x m/s Length of the train = 650m Time taken to cross a pole = 1 min 5 sec = 65 seconds S = D/T => 4x =650/65 => x = 10/4 = 5/2 Speed of the man = 5/2 m/s Man can cross the 210 m platform in = (210 x 2)/5 = 84 seconds = 1 minutes 24 seconds
The Prime Minister does not act as the chairman for which of the following committees?
Satellites used for telecommunication relay are kept in a geostationary orbit. A satellite is said to be in such an orbit when:
1. The orbit is g...
In case of miscarriage or medical termination of pregnancy, a woman is entitled to how many weeks of leave with pay?
Which of the following will turn blue litmus red ?
Let n (>1) be a composite natural number whose square root is not an integer.
Consider the following statements:
1. n has a factor wh...
What is the purpose of a compiler in programming?
The principle that suggests recording expenses only when they are realized, and income only when they are certain, is known as:
Who among the following was a great protagonist of the 'Doctrine of Lapse'?
Select the odd number from the given alternatives.
A boat's speed is 13.5 km/h when moving against the current and 18.3 km/h when moving along with the current. Determine the speed of the stream.