Maths Practice Question and Answer

Q:

If $$ {cot A={n\over{n+1}}}$$ and $$ {cot B={1\over{2n+1}}}$$ then what is the value of cot (A + B)?

1495 0

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

Q:

A trader sells two items at the rate of Rs 400 each. If he gains 15% on one and losses 15% on other, then what is the value (in Rs) of loss?

1701 0

  • 1
    24.36
    Correct
    Wrong
  • 2
    22.14
    Correct
    Wrong
  • 3
    20.25
    Correct
    Wrong
  • 4
    18.41
    Correct
    Wrong
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Answer : 4. "18.41"

Q:

In the given figure ΔDEF is right angle triangle, ∠G=120° and DG=12 cm , GF=10 cm then find out the value of DF.

2215 0

  • 1
    20.09 cm
    Correct
    Wrong
  • 2
    19.07 cm
    Correct
    Wrong
  • 3
    15.57 cm
    Correct
    Wrong
  • 4
    16.43 cm
    Correct
    Wrong
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Answer : 2. "19.07 cm"

Q:

What is the angle between minute and hour hand ate 11:10?

3553 0

  • 1
    120°
    Correct
    Wrong
  • 2
    20°
    Correct
    Wrong
  • 3
    260°
    Correct
    Wrong
  • 4
    110°
    Correct
    Wrong
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Answer : 4. "110°"

Q:

A school play ground is 120 m long and 80 m wide, there is 2 m wide path parallel to its width and and Parallel to its length. The area of remaining ground.

2030 0

  • 1
    $$ {9210 {meter^2}}$$
    Correct
    Wrong
  • 2
    $$ {9286 {meter^2}}$$
    Correct
    Wrong
  • 3
    $$ {9204 {meter^2}}$$
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 4. "None of these"

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