TCS Papers: Sample Questions 101  103 of 502
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Question number: 101
» Aptitude
Question
Two stations A and B are 110 km apart on a straight line. One train starts from A at 7 a. m and travels towards B at 20 km per hour speed. Another train starts from B at 8. a. m and travels towards A at a speed of 25 km per hour. At what time will they meet?
Choices
Choice (4)  Response  

a.  10 a. m 

b.  9 a. m 

c.  11 a. m 

d.  None of the above 

Answer
a.Explanation
 Distance between A and B is 110 km.
 One train starts from A towards B at 7 a. m with 20 kmph speed.
 Second train starts from B towards A at 8 a. m with 25 kmph speed.
 We are asked to find the time when both trains will meet.
 Let they meet x hrs after 7 a. m
 Distance covered by A in x hrs
 Distance covered by B in hrs = km
So, both trains will meet at 10 a. m
Question number: 102
» Aptitude
Write in Short
Person travels to B from A with the speed of 4kmph and returns back to A with speed of 5 kmph. What is his average speed of journey?
Explanation
 Person travels from A towards B with 4 kmph speed and returns back to A with 5 kmph speed.
 We are asked to find his average speed of journey.
 Average speed
Question number: 103
» Aptitude
Write in Short
Interchange “MEASUREMENTS” the first with 2^{nd} letter, 3^{rd} with 4^{th} and so on. , then which will be the 12^{th} letter from right?
Explanation
 Interchanging the letters of word ‘MEASUREMENTS’ like 1^{st} and 2nd, 3^{rd} and 4^{th} and so on, word will be EMSARUMENEST.
 We are asked to find the 12^{th} letter from right in the obtained word.
 Counting from right, 12^{th} letter is ‘E’.