Maths Practice Question and Answer

Q:

The total of the ages of Kiran, Shantanu and Saransh is 93 years. Ten years ago, the respective ratio of their ages was 2 : 3 : 4 . What is the present age of Saransh?

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  • 1
    32 years
    Correct
    Wrong
  • 2
    34 years
    Correct
    Wrong
  • 3
    24 years
    Correct
    Wrong
  • 4
    38 years
    Correct
    Wrong
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Answer : 4. "38 years "

Q:

A person lent certain sum of money at 5% per annum simple interest and in 15 years the interest amounted to Rs 250 less than the sum lent. What was the sum lent (in Rs)?

1313 0

  • 1
    1500
    Correct
    Wrong
  • 2
    1000
    Correct
    Wrong
  • 3
    3000
    Correct
    Wrong
  • 4
    2000
    Correct
    Wrong
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Answer : 2. "1000"

Q:

If $$ P={{x^2-36}\over{x^2-49}}$$ and $$ Q={{x+6}\over{x+7}}$$ then the value of $$ {P\over{Q}}$$ is.

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  • 1
    $$ {x-6}\over {x-7}$$
    Correct
    Wrong
  • 2
    $$ {x-6}\over {x+7}$$
    Correct
    Wrong
  • 3
    $$ {x-7}\over {x+6}$$
    Correct
    Wrong
  • 4
    $$ {x+6}\over {x-7}$$
    Correct
    Wrong
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Answer : 1. "$$ {x-6}\over {x-7}$$"

Q:

The least multiple of 7, which leaves the remainder 4, when divided by any of 6, 9, 15 and 18, is 

1312 0

  • 1
    184
    Correct
    Wrong
  • 2
    364
    Correct
    Wrong
  • 3
    76
    Correct
    Wrong
  • 4
    94
    Correct
    Wrong
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Answer : 2. "364"

Q:

The average weight of 8 people is increased by 2 kg when a new person comes in place of the person who weighs 50 kg. What is the weight of the newcomer?

1311 0

  • 1
    62 kg
    Correct
    Wrong
  • 2
    66 kg
    Correct
    Wrong
  • 3
    64 kg
    Correct
    Wrong
  • 4
    68 kg
    Correct
    Wrong
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Answer : 2. "66 kg "

Q:

The present age of a father is 3 years more than three times the age of his son. Three years hence, father's age will be 10 years more than twice the age of the son. The father's age is: 

1311 0

  • 1
    33 years
    Correct
    Wrong
  • 2
    39 years
    Correct
    Wrong
  • 3
    45 years
    Correct
    Wrong
  • 4
    40 years
    Correct
    Wrong
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Answer : 1. "33 years "

Q:

Find the L.C.M of $$ {6x}{y^{2}z},{8x^{2}{y^{3}z^{2},{12{x^{3}{y^{3}z^{3}}}}}}$$.

1311 0

  • 1
    2xyz
    Correct
    Wrong
  • 2
    $$ {4x}{y^{2}z}$$
    Correct
    Wrong
  • 3
    $$ {3x}{y^{2}z}$$
    Correct
    Wrong
  • 4
    $$ {2x}{y^{2}z}$$
    Correct
    Wrong
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Answer : 4. "$$ {2x}{y^{2}z}$$"

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