TCS Papers: Sample Questions 10 - 12 of 502

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Question number: 10

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Short Answer Question▾

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Complete the sequence 9,10,11,13,15, ? , 21,25

Explanation

  • Here, difference between first and second term is 1, i. e. 9 + 1 =10
  • Difference between second and third term is 1, i. e. 10 + 1 = 11
  • Difference between third and fourth term is 2, i. e. 11 + 2 = 13
  • Difference between fourth and fifth term is 2, i. e. 13 + 2 = 15
  • Difference between fifth and sixth term is 3, i. e. 15 + 3 = 18
  • Difference between sixth and seventh term is 3, i. e. 18 + 3 = 21
  • Difference between seventh and eighth term is 4, i. e. 21 + 4 = 25
  • Applying this pattern we are getting the exact series terms.
  • So, series is 9,10,11,13,15,18,21,25
  • Missing term is 18.

Question number: 11

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If G (0) =-1, G (1) =1, G (N) =G (N-1) -G (N-2) then G (5) =?

Explanation

We are asked to find the value of G (5).

Value of G (5) is -2.

Question number: 12

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The word unimpressive was given. They asked us to do change 1st & 2nd, 3rd & 4th, so on. Then they asked what will be 10th letter from right?

Explanation

Given word is unimpressive.

u = 1 and n = 2, changing their position, n = 1 and u = 2

i = 3 and m = 4, changing their position, m = 3 and i = 4

p = 5 and r = 6, changing their position, r = 5 and p = 6

e = 7 and s = 8, changing their position, s = 7 and e = 8

s = 9 and i = 10, changing their position, i = 9 and s = 10

v = 11 and e = 12, changing their position, e = 11 and v = 12

So, word will be ‘numirpseisev’

Counting from right ‘m’ is at the 10th position.