Aptitude Practice Question and Answer

Q:

The average weight of three men is increased by 4 kg when one of them, whose weight is 100 kg, is replaced by another man. What is the weight of the new man? 

535 0

  • 1
    107 kg
    Correct
    Wrong
  • 2
    103 kg
    Correct
    Wrong
  • 3
    104 kg
    Correct
    Wrong
  • 4
    112 kg
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "112 kg"

Q:

The number 2918245 is divisible by which of the following numbers?

1036 0

  • 1
    3
    Correct
    Wrong
  • 2
    11
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    9
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "11"

Q:

Find the single equivalent discount for successive discounts of 12%, 18% and 25% on the marked price of a car. 

895 0

  • 1
    35.28%
    Correct
    Wrong
  • 2
    42.65%
    Correct
    Wrong
  • 3
    40.25%
    Correct
    Wrong
  • 4
    45.88%
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "45.88%"

Q:

The angle of elevation of the top of a building at a distance of 70 m from its foot on a horizontal plane is found to be 60°. Find the height of the building.

576 0

  • 1
    $$70 \sqrt { 3} $$m
    Correct
    Wrong
  • 2
    $$60 \sqrt { 3} $$m
    Correct
    Wrong
  • 3
    $$50 \sqrt { 3} $$m
    Correct
    Wrong
  • 4
    $$70 \sqrt { 2} $$m
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "$$70 \sqrt { 3} $$m"

Q:

The average of 20 numbers is 32. If two numbers are 29 and 31, then what is the average of the remaining numbers (correct up to two decimals)? 

1214 0

  • 1
    31.24
    Correct
    Wrong
  • 2
    30.22
    Correct
    Wrong
  • 3
    34.44
    Correct
    Wrong
  • 4
    32.22
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "32.22"

Q:

Find the standard deviation of the following data (rounded off to two decimal places). 

5, 3, 4, 7 

586 0

  • 1
    1.48
    Correct
    Wrong
  • 2
    3.21
    Correct
    Wrong
  • 3
    4.12
    Correct
    Wrong
  • 4
    2.45
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "1.48 "

Q:

Select the INCORRECT formula from the following options.

516 0

  • 1

    cosec2θ - cot2θ=1

    Correct
    Wrong
  • 2

    sin2θ + cos2θ=1

    Correct
    Wrong
  • 3

    sec2θ + cos2θ=1

    Correct
    Wrong
  • 4

    sec2θ – tan2θ=1

    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "

sec2θ + cos2θ=1

"

Q:

The LCM of x2 − 8x + 15 and x− 5x + 6 is: 

1514 0

  • 1
    (x - 2) (x - 3) (x − 5)
    Correct
    Wrong
  • 2
    (x − 6)2 (x + 1) (x − 3) 
    Correct
    Wrong
  • 3
    (x − 6) (x + 1) (x − 3)
    Correct
    Wrong
  • 4
    (x + 6) (x + 1) (x − 3)
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. " (x - 2) (x - 3) (x − 5) "

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully