TCS Aptitude - 24 October 2020 - Slot 2

Questions 41: The range and standard deviation of a data are R & S respectively. With the shift of origin of the data ?
change (s) occur in the value(s) of:

  • Options
  • a : S only
  • b : R only
  • c : Both R & S
  • d : Neither R & nor S

    • Answer: )

    Questions 42: A city water supply tank has two inlet pipes X and Y. Which can fill it in 20 and 30 hours respectively, and an outlet pipe Z which can empty a full tank in 40 hours. If the tank is empty and the taps are opened in succesion four one hour each and the process continues, in how many hours wil the tank get filled ?

  • Options
  • a : 49*1/4
  • b : 49*1/2
  • c : 49*1/7
  • d : 51*3/7

    • Answer: )

    Questions 43: What is the simplified value of -

    (10/15*6)[22/2/5 of{(64-2*8)+2}]-2/5 ?

  • Options
  • a : 5
  • b : 2
  • c : 4
  • d : 6

    • Answer: )

    Questions 44: What is the fourth proportional of 0.006,1.2 &6/25 ?

  • Options
  • a : 36
  • b : 48
  • c : 3.6
  • d : 4.8

    • Answer: )

    Questions 45: A work is assigned to 6 men and 12 women, and they could complete it in 3 days. It was also observed that together they can do 7 times as much more a man and a women can do. In how many days would 14 womemn. have done the work ?

  • Options
  • a : 12
  • b : 6
  • c : 10
  • d : 9

    • Answer: )

    Questions 46: The index numbers 5 commodities are 121, 123, 125, 126, 128 and the weights assigned to these are there are respectively 5, 11, 10, 8, 6 then what is the weighted average index numbers ?

  • Options
  • a : 124.2
  • b : 124.6
  • c : 125.2
  • d : 123.8

    • Answer: )

    Questions 47: With the value should the highest quantity in the data: 65, 52, 14, 26, 18, 35, 32, mean and median become equal ?

  • Options
  • a : 53
  • b : 64
  • c : 66
  • d : 51

    • Answer: )

    Questions 48: A sales representative's commission is 6 % on all sales up to Rs. 15000 and 5% on all sales exceeding this. He remits Rs. 47350 to his company after deducting his commission. What were the total seles ?

  • Options
  • a : 50500
  • b : 50000
  • c : 49000
  • d : 47500

    • Answer: )

    Questions 49: The sum was lent to X for three years by an organization who fixed a yearly rate of 10% compound intrest for repayment along with the condition of recovery is equal annul installments of Rs. 31944 what percentage above the borrowed amount had X to pay to the organization ?

  • Options
  • a : 20.63
  • b : 21.25
  • c : 16.52
  • d : 18.43

    • Answer: )

    Questions 50: Six square plots are connected end to end to obtain a rectanguler plot of area 726 m^2. If we take, pie = 22/7, by What factor is the perimeter of this plot more than that of the circumference of a circle of radius 10 m ?

  • Options
  • a : 1.45
  • b : 2.8
  • c : 2.1
  • d : 2.45

    • Answer: )


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