Aptitude [TCS Placement]: Sample Questions 52 - 54 of 174

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Question 52

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Y catches 5 times more fishes than X. If total number of fishes caught by X and Y is 42, then number of fishes caught by X?

Explanation

  • Let, X catches ‘a’ number of fishes.
  • From given information, Y catches 5 times more fishes than X, i.e.. Y catches ‘5a’ fishes.
  • Total number of fishes caught by X and Y together is 42, i.e.. a + 5a = 42

6a = 42

a = 7

  • So, X catches 7 number of fishes and Y catches 42 number of fishes.

Question 53

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Gavaskar average in first 50 innings was 50. After the 51st innings his average was 51 how many runs he made in the 51st innings?

Explanation

  • Average of first 50 innings was 50.
  • So, runs scored by Gavaskar in 50 innings =
  • After his 51 inning his average is increased by one, i.e.. 51
  • So, runs scored by Gavaskar in 51 innings =
  • So, runs made by Gavaskar in 51st inning will be, total runs scored by him in 51 innings - total runs scored by him in 50 innings.

=

Question 54

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Find the missing term: 2,5, ? , 19,37, 75

Explanation

  • The given series is an arithmetic series.
  • First term of the series is, a = 2
  • Difference between the terms is 2n
  • First term =
  • Second term =
  • Third term =
  • Fourth term =
  • Fifth term =
  • Sixth term =
  • Applying this pattern we are getting the exact series terms.
  • So, series is 2, 5, 9, 19,37, 75.
  • Missing term is 9.

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