Aptitude Practice Question and Answer

Q:

The base of a right prism is a tringle with sides 20 cm, 21 cm and 29 cm. If its volume is 7560 cm3, then its lateral surface area ( in cm2) is:

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  • 1
    2556
    Correct
    Wrong
  • 2
    2448
    Correct
    Wrong
  • 3
    2520
    Correct
    Wrong
  • 4
    2484
    Correct
    Wrong
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Answer : 3. "2520"

Q:

A train travels the distance between station P and Q at a speed of 126 km/h, while in the opposite direction it comes back at 90 km/h. Another train travels the same distance at the average speed of the first train. The time taken by the second train to travel 525 km is:

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  • 1
    5 hours
    Correct
    Wrong
  • 2
    4 hours 20 min
    Correct
    Wrong
  • 3
    5 hours 20 min
    Correct
    Wrong
  • 4
    4 hours
    Correct
    Wrong
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Answer : 1. "5 hours"

Q:

A shuttlecock used of playing badminton has the shape of a frustum of a cone mounted on a semi sphere. The external diameters of the frustum are 5 cm and 2 cm, the height of the entire shuttlecock is 7 cm. The external surface is of the shuttlecock is:

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  • 1
    67.98 sq.cm
    Correct
    Wrong
  • 2
    74.26 sq.cm
    Correct
    Wrong
  • 3
    70 sq.cm
    Correct
    Wrong
  • 4
    72 sq.cm
    Correct
    Wrong
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Answer : 2. "74.26 sq.cm"

Q:

If ,then the value of n is:

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  • 1
    3
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    -2
    Correct
    Wrong
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Answer : 2. "2"

Q:

A can do a work in 6 days and B can do the same work in 12 days. If A, B and C together can do the same work in 4 days, then in how much days C can do it alone?

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  • 1
    18 days
    Correct
    Wrong
  • 2
    72 days
    Correct
    Wrong
  • 3
    36 days
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 4. "None of these"

Q:

If A’s income is 40 % less than that of B, how much percent B's income is more than that of A? 

895 0

  • 1
    60 %
    Correct
    Wrong
  • 2
    40 %
    Correct
    Wrong
  • 3
    66.66 %
    Correct
    Wrong
  • 4
    33.33 %
    Correct
    Wrong
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Answer : 3. "66.66 % "

Q:

What will be the area (cm2) of the curved surface of an elliptical cylinder whose height and diameter are 10 cm and 8 cm respectively?

895 0

  • 1
    20 π
    Correct
    Wrong
  • 2
    80 π
    Correct
    Wrong
  • 3
    160 π
    Correct
    Wrong
  • 4
    40 π
    Correct
    Wrong
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Answer : 2. "80 π"

Q:

₹26100 is divided between Mohan and Shyam so that the interest that Mohan receives in 3 years is the same as that Shyam receives in 6 years. If the interest rate of 4% per annum then Mohan's share is :

895 0

  • 1
    ₹8,500
    Correct
    Wrong
  • 2
    ₹17,400
    Correct
    Wrong
  • 3
    ₹8,700
    Correct
    Wrong
  • 4
    ₹19,000
    Correct
    Wrong
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Answer : 4. "₹19,000"

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