TCS Papers: Sample Questions 26  28 of 502
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Question number: 26
» Aptitude
Write in Short
Fill the missing term of series.
26,19,17,13,11, ________, 8,7
Explanation
 Divide the given series into two parts of odd and even series.
 Odd term series: 26,17,11,8, …
 Even term series: 19,13, ________, 7, …
 The term which we have to find will follow the even term series.
 First term is 19 and second term is 13, i. e. Difference between them is 6
 Third term needs to be find out.
 Fourth term is 7.
 Here, difference between two consecutive terms is decreasing by two numbers like 6, 4, 2, …, i. e. Difference between second and third term will be 4.
 So, missing term will be
Question number: 27
» Aptitude
Question
A girl rows upstream 16 km and downstream 28 km, taking 5 hours each time. What will be the velocity of the current?
Choices
Choice (4)  Response  

a.  1.8 km/hr 

b.  2.4 km/hr 

c.  3.6 km/hr 

d.  1.2 km/hr 

Answer
d.Explanation
 Speed of downstream
 Speed of upstream
 We are asked to find the velocity of current.
 Velocity of current
 So, velocity of current is 1.2 km/hr.
Question number: 28
» Aptitude
Question
An old man and a young man are working together in an office and staying together in a nearby apartment. The old man takes 30 minutes and the young 20 minutes to walk from apartment to office. If one day the old man started at 10.00 AM and the young man at 10: 05AM from the apartment to office, when will they meet?
Choices
Choice (4)  Response  

a.  10: 00 

b.  10: 15 

c.  10: 45 

d.  10: 30 

Answer
b.Explanation
 Some distance is covered by old man in 30 minutes while the same distance is covered by young man in 20 minutes.
 Old man is leaving for the office at 10: 00 AM and while young man is leaving at 10: 05 AM.
 We are asked to find the time when they will meet.
 Let they are meeting after x minutes from 10: 00 AM
 As distance covered by them is same,
 So, both will meet after 15 minutes from 10: 00 AM.
 They will meet at 10: 15 AM