Maths Practice Question and Answer

Q:

A can do $$1\over 3$$ of a work in 30 days. B can do $$2\over 5$$ of the same work in 24 days. They worked together for 20 days. C completed the remaining work in 8 days. Working together A, B and C will complete the same work in:

958 0

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

Q:

ABCD is a cyclic quadrilateral. AB and DC when produced meet at P, If PA 8 cm, PB = 6, PC = 4 cm, then the length (in cm) of PD is

957 0

  • 1
    10 cm
    Correct
    Wrong
  • 2
    6 cm
    Correct
    Wrong
  • 3
    12 cm
    Correct
    Wrong
  • 4
    8 cm
    Correct
    Wrong
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Answer : 4. "8 cm "

Q:

Directions: The following Pie Chart shows the export of different food grains from India in 2010. Study the chart and answer the questions:


The three crops which combine to contribute to exactly 50% of the total export of food grains are

955 0

  • 1
    A, F and others
    Correct
    Wrong
  • 2
    B, C and F
    Correct
    Wrong
  • 3
    A, B and C
    Correct
    Wrong
  • 4
    C, F and others
    Correct
    Wrong
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Answer : 3. "A, B and C "

Q:

If $${{p^2\over q^2}+{q^2\over p^2}}=1$$, then the value of (p6 + q6 ) is

954 0

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

Q:

The ratio of the side and height of an equilateral triangle is –

952 0

  • 1
    √3 ∶ 2
    Correct
    Wrong
  • 2
    2 ∶ 1
    Correct
    Wrong
  • 3
    √3 ∶ 1
    Correct
    Wrong
  • 4
    2 ∶ √3
    Correct
    Wrong
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Answer : 4. "2 ∶ √3"

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Answer : 4. "1981 "

Q:

$$sinθ[(1-tanθ)tanθ+sec^2θ]\over (1-sinθ)tanθ(1+tanθ)(secθ+tanθ)$$ is equal to:

952 0

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

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