Tech Mahindra Placement: Sample Questions 33 - 34 of 42

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Question 33

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Short Answer▾

Complete the following series.

2, 1, 4, 3, 6, 6, 8,10, 10, ________, ________

Explanation

  • Divide the given series into two parts of odd and even terms.
  • First series: 2, 4, 6,8, 10, … .
  • Second series: 1, 3,6, 10, … .
  • Looking at the analogy of first series, there are all even numbers consecutively. So, next even number will be 12.
  • Looking at the analogy of second series, difference between two terms of the series is incremented by one. Like difference between 1 and 3 is 2, difference between 3 and 6 is 3, difference between 6 and 10 is 4. So, difference between next two terms should be 5, i.e.. .
  • So, next two terms of the series will be 15 and 12 respectively.

Question 34

Question

MCQ▾

Complete the following series.

a, c, e, g, _

Choices

Choice (4)

a.

e

b.

h

c.

i

d.

j

Answer

c.

Explanation

  • Here, first term of the series is ‘a’ .
  • Second term of the series is ‘c’ , which is two position ahead of ‘a’ in alphabetical order.
  • Third term of the series is ‘e’ , which is two position ahead of ‘c’ in alphabetical order.
  • Fourth term of the series is ‘g’ , which is two position ahead of ‘e’ in alphabetical order.
  • So, next fifth term should also be two position ahead of its previous letter.
  • Fifth term will be ‘i’ which is two position ahead of ‘g’ in alphabetical order.

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