Tata Infotech Placement: Sample Questions 3 - 5 of 41

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Question 3

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Complete the following series.

40, 42, 39, 44,38, 46, ________

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Explanation

  • Dividing the given series into two parts of odd and even terms,
  • Odd term series: 40,39, 38, …
  • Even term series: 42,44, 46, …
  • Next term will follow the exact sequence of odd term series.
  • Here, each term is decremented by one digit number, i.e.. Difference between two consecutive terms is -1.
  • So, next term will be

Question 4

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In a school number of boys is twice that of number of girls. Half of the girls are in hostel. If the number of girls in hostel is 5 then what is the total number of students in the school?

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Explanation

  • Let there are total x number of girls in a school.
  • So, there will be 2x number of boys in school.
  • Half of the girls are in hostel, which are in number 5.
  • So, we can say there are total numbers of girls.
  • As boys are twice of girls, there are 20 boys in school.
  • There are total students in school.

Question 5

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The average length of three tapes is 6800 feet. None of the tapes is less than 6400 feet. What is the greatest possible length of one of the other tapes?

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Explanation

  • Average length of three tapes is 6800 feet.
  • None of the tape is less than 6400 feet. So, 6400 feet is the minimum length of any tape.
  • We are asked to find the greatest possible length of one of the other tapes.
  • Considering two tapes length as 6400 feet (minimum length) we can find the greatest possible length of third tape.
  • Let the greatest possible length of tape is x feet.

  • Greatest possible length of tape is 7600 feet.