Aptitude Practice Question and Answer

Q:

Which is the smallest prime number? 

2910 0

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

Q:

A motorboat, whose speed is 45 km./hr. in still water goes 180 km. downstream and comes back in a total of 9 hours. The speed of the stream (in km/hr.) is-

2904 0

  • 1
    12
    Correct
    Wrong
  • 2
    21
    Correct
    Wrong
  • 3
    18
    Correct
    Wrong
  • 4
    10
    Correct
    Wrong
  • 5
    15
    Correct
    Wrong
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Answer : 5. "15"

Q: The ratio of length and breadth of a rectangular plot is 71:16 respectively. The area of the plot is 17324 sq.metres. What is the perimeter of the plot? 2903 0

  • 1
    284 metres
    Correct
    Wrong
  • 2
    528 metres
    Correct
    Wrong
  • 3
    264 metres
    Correct
    Wrong
  • 4
    614 metres
    Correct
    Wrong
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Answer : 2. "528 metres"
Explanation :

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Q:

Out of the given responses one of the factors of  (a2-b2)3+(b2-c2)3+(c2-a2)3 is 

2902 0

  • 1
    (a+b) (a-b)
    Correct
    Wrong
  • 2
    (a+b) (a+b)
    Correct
    Wrong
  • 3
    (a – b) (a – b)
    Correct
    Wrong
  • 4
    (b – c) (b – c)
    Correct
    Wrong
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Answer : 1. "(a+b) (a-b)"

Q:

The total surface area of a solid right circular cylinder is twice that of a solid sphere. If they have the same radii, the ratio of the volume of the cylinder to that of the sphere is given by

2899 0

  • 1
    9:4
    Correct
    Wrong
  • 2
    2:1
    Correct
    Wrong
  • 3
    3:4
    Correct
    Wrong
  • 4
    4:9
    Correct
    Wrong
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Answer : 1. "9:4"

Q:

A man borrowed some money from a private organisation at 5 % simple interest per annum. He landed this money to another person at 10% compound interest per annum, and made a profit of Rs. 26,410 in 4 years. The man borrowed 

2898 0

  • 1
    132050
    Correct
    Wrong
  • 2
    100000
    Correct
    Wrong
  • 3
    200000
    Correct
    Wrong
  • 4
    150000
    Correct
    Wrong
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Answer : 2. "100000"

Q:

The diameter of a toy wheel is 14 cm, what is the distance travelled by it in 15 revolutions? 

2894 0

  • 1
    880 cm
    Correct
    Wrong
  • 2
    660 cm
    Correct
    Wrong
  • 3
    600 cm
    Correct
    Wrong
  • 4
    560 cm
    Correct
    Wrong
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Answer : 2. "660 cm "

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