Tech Mahindra Papers: Sample Questions 26  27 of 42
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Question number: 26
» Aptitude
Short Answer Question▾
Write in Short
What will be the next term of the series?
2,5, 9,19,37, (? )
Explanation
 First term of the series is 2.
 Second term of the series is 5, which can be expressed as
 Third term of the series is 9, which can be expressed as 5 2  1 = 9
 Fourth term of the series is 19, which can be expressed as 9 2 + 1 = 19
 Fifth term of the series is 37, which can be expressed as 19 2 – 1 = 37
 Applying the same pattern,
 Sixth term will be twice of previous term plus one.
 So, sixth term will be 37 2 + 1 = 75.
 Next term of the series is 75.
Question number: 27
» Aptitude
MCQ▾
Question
Complete the following series.
0,2, 3,5, 8,10,15,17,24,26, ________
Choices
Choice (4)  Response  

a.  45 

b.  55 

c.  35 

d.  48 

Answer
c.Explanation
 Here, difference between first two terms of the series (0 and 2) is 2.
 Difference between next two terms of the series (2 and 3) is 1.
 Difference between next two terms of the series (3 and 5) is 2.
 Difference between next two terms of the series (5 and 8) is 3.
 Difference between next two terms of the series (8 and 10) is 2.
 Difference between next two terms of the series (10 and 15) is 5.
 Difference between next two terms of the series (15 and 17) is 2.
 Difference between next two terms of the series (17 and 24) is 7.
 Difference between next two terms of the series (24 and 26) is 2.
 Here, difference between two terms remains 2 and odd numbers alternative.
 Like, 2,1, 2,3, 2,5, 2,7, 2,9, 2,11, ….
 So, now difference between 26 and next term should be 9.
 So, next term will be .