Aptitude [Tech Mahindra Placement]: Sample Questions 25 - 26 of 42

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Question 25

Aptitude

Question

MCQ▾

Numerator and denominator are in the ratio of 2: 3. If 6 is subtracted from the Numerator, thee result will be a fraction that has a value of the original fraction. Then what will be the numerator of original fraction?

Choices

Choice (4)

a.

27

b.

18

c.

6

d.

9

Answer

d.

Explanation

  • Let initially numerator and denominator be 2x and 3x respectively. If 6 is subtracted from the Numerator, the result will be a fraction that has a value 2/3 of the original fraction.
  • After subtracting 6 from numerator, it will be
  • Now result is, 2/3 times of the original fraction.

  • Numerator of the original fraction will be 9.

Question 26

Aptitude
Edit

Write in Short

Short Answer▾

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.

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