Question
A train takes 25 seconds more to
cross a 750 metres long platform than it does to cross a 350 metres long bridge. If the time taken by the train to cross a tree is 18 seconds, find the speed of the train.Solution
ATQ,
Let the length of the train be 'x' metres. Let the speed of the train be 'y' m/s. According to the question:
Therefore, the speed of the train is 16 m/s.
- Find the wrong number in the given number series.
10, 19, 3, 28, 5, 54 42, 50, 59, 123, 148, 360
Find the wrong number in the given number series.
1900, 1171, 669, 316, 100, - 25
Find the wrong number in the given number series.
1024, 256, 64, 32, 4, 1- Find the wrong number in the given number series.
3, 6, 12, 24, 60, 96 Find the wrong number in given number series.
4350, 4400, 4600, 4750, 5150, 5450
- Find the wrong number in the given number series.
10, 13, 17, 24, 31, 41 Find the wrong number in the given number series,
31, 55, 91, 145, 217, 307
- Find the wrong number in the given number series.
5, 11, 21, 41, 65, 95 16, 16, 32, 128, 1024, 16384Β