Aptitude [Tech Mahindra Placement]: Sample Questions 31 - 32 of 42

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Question 31

Aptitude

Question

MCQ▾

What is the smallest number by which 2880 must be divided in order to make it perfect square?

Choices

Choice (4)

a.

8

b.

5

c.

6

d.

3

Answer

b.

Explanation

Factorising the given number, 2880

2880 =

If we will divide 2880 by 5 then remaining number will be a perfect square number, 4 and 9 both are perfect square of 2 and 3.

Question 32

Aptitude

Question

MCQ▾

Complete the following series.

a, e, i, m, q, u, _, _

Choices

Choice (4)

a.

g, i

b.

y, c

c.

b, f

d.

None of the above

Answer

b.

Explanation

  • Here, first term of the series is ‘a’ .
  • Second term of the series is ‘e’ , which is four position ahead of ‘a’ in alphabetical order.
  • Third term of the series is ‘i’ , which is four position ahead of ‘e’ in alphabetical order.
  • Fourth term of the series is ‘m’ , which is four position ahead of ‘i’ in alphabetical order.
  • Fifth term of the series is ‘q’ , which is four position ahead of ‘m’ in alphabetical order.
  • Sixth term of the series is ‘u’ , which is four position ahead of ‘q’ in alphabetical order.
  • So, next seventh term should also be four position ahead of its previous letter.
  • Seventh term will be ‘y’ which is four position ahead of ‘u’ in alphabetical order.
  • Next eighth term will be ‘c’ which is also four position ahead of ‘y’ in alphabetical order.

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