Question
1800 metres long train crosses a man who is moving in
the same direction with a certain speed, in 18 seconds. If the same train can cross a tree in 9 seconds with the same speed, then find the speed of the man.Solution
Speed of train = 1800/9 = 200 m/sec Let the speed of the man be āsā m/sec Relative speed of the train = (200 ā s) m/sec According to the question, (200 ā s) = 1800/18 Or, s = 200 ā 100 = 100 Therefore, speed of the man = 100 m/sec
Which of the following act/s is/are provided a āGrievance Handling Mechanismā?
Ā Ā Ā Ā Ā I.Ā Ā Ā Ā Ā Ā Ā Factories act 1948
Ā ļæ½...
Which are primarycolours?
How many bits are there in the ethernet address?Ā
Which of the following statement/s is/are correct regarding Securities and exchange board of India?
Ā Ā Ā Ā Ā Ā Ā I.Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā It wa...
With which of the following sports is Rovers Cup associated?
The average score obtained by 24 students in a class test is 68 marks. The top place was shared by 3 people who got the same score. If the lowest score ...
A boy focuses a sharp image of a distant object on a screen using a lens. The distance between the lens and screen is approximately equal to:
Which one of the following is not a language translator?
Who is an 'Adolescent' as per the Factories Act, 1948 ?
The first and second members, respectively, of the ketone homologous series are:
