Maths Practice Question and Answer

Q:

Sound travels 330 meters in one second. When the sound is heard 10 seconds after the lightning flashes, then at what distance will the cloud be?

849 0

  • 1
    1300 meter
    Correct
    Wrong
  • 2
    2000 meters
    Correct
    Wrong
  • 3
    3650 meters
    Correct
    Wrong
  • 4
    3300 meters
    Correct
    Wrong
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Answer : 4. "3300 meters"

Q:

The length, the breadth, and the height of a cuboid are 40 cm, 20 cm and 10 cm. respectively. What is the volume of this cuboid?

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  • 1
    $${16000cm^2}$$
    Correct
    Wrong
  • 2
    $${8000cm^2}$$
    Correct
    Wrong
  • 3
    $${8000cm^2}$$
    Correct
    Wrong
  • 4
    $${4000cm^2}$$
    Correct
    Wrong
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Answer : 2. "$${8000cm^2}$$"

Q:

A number when divided by 6 leaves remainder 3. When the square of the same number is divided by 6, the remainder is : 

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

The remainder will be same.

On dividing 9 by 6, remainder = 3

On dividing 81 by 6, remainder = 3

Q:

A can do 50% of a work in 16 days, B can do 1/4 of the same work in 24 days. In how many days will they complete 3/4th of the work working together?

848 0

  • 1
    24
    Correct
    Wrong
  • 2
    19
    Correct
    Wrong
  • 3
    21
    Correct
    Wrong
  • 4
    18
    Correct
    Wrong
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Answer : 4. "18"

Q:

The profit earned by selling an article for ₹832 is equal to the loss incurred when the article is sold for ₹448. What will be the selling price of the article if it is sold at a ₹10%, loss?

848 0

  • 1
    ₹576
    Correct
    Wrong
  • 2
    ₹540
    Correct
    Wrong
  • 3
    ₹625
    Correct
    Wrong
  • 4
    ₹640
    Correct
    Wrong
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Answer : 1. "₹576 "

Q:

The angle of elevation of the top of a tower from the top of a building whose height is 680 m is 45° and the angle of elevation of the top of same tower from the foot of the same building is 60°. What is the height (in m) of the tower?

847 0

  • 1
    340(3 + √3)
    Correct
    Wrong
  • 2
    310(3 - √3)
    Correct
    Wrong
  • 3
    310(3 + √3)
    Correct
    Wrong
  • 4
    340(3 - √3)
    Correct
    Wrong
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Answer : 1. "340(3 + √3)"

Q:

If the square root of 841 is 29, then square root of 0.00000841 is equal to:

847 0

  • 1
    0.029
    Correct
    Wrong
  • 2
    0.0029
    Correct
    Wrong
  • 3
    0.00029
    Correct
    Wrong
  • 4
    0.29
    Correct
    Wrong
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Answer : 2. "0.0029"

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