Aptitude Practice Question and Answer

Q:

A circle with radius 42 cm is drawn. What will be length of arc of a sector subtending an angle of 60 degrees at the Centre?

1021 0

  • 1
    44 cm
    Correct
    Wrong
  • 2
    22 cm
    Correct
    Wrong
  • 3
    66 cm
    Correct
    Wrong
  • 4
    88 cm
    Correct
    Wrong
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Answer : 1. "44 cm"

Q:

If the area of a circle, inscribed in a equilateral triangle is 4 π cm2, then what is the area of the triangle?

1021 0

  • 1
    $$ {12\sqrt{3}\ cm^{2}}$$
    Correct
    Wrong
  • 2
    $$ {9\sqrt{3}\ cm^{2}}$$
    Correct
    Wrong
  • 3
    $$ {8\sqrt{3}\ cm^{2}}$$
    Correct
    Wrong
  • 4
    $$ {18\ cm^{2}}$$
    Correct
    Wrong
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Answer : 1. "$$ {12\sqrt{3}\ cm^{2}}$$ "

Q:

What is the slope of the line perpendicular to the line passing through the points (-5, 1) and (-2, 0)? 

1021 0

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

Q:

If $$\sqrt { 3}=1.732$$ then the find the value of $${9+2{ \sqrt { 3}}}\over  \sqrt { 3}$$  

1021 0

  • 1
    7.169
    Correct
    Wrong
  • 2
    7.196
    Correct
    Wrong
  • 3
    5.198
    Correct
    Wrong
  • 4
    7.296
    Correct
    Wrong
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Answer : 2. "7.196"

Q:

The areas of the three adjacent faces of a cuboid are 32 cm2, 24 cm2 and 48cm2. What is the volume of the cuboid?

1020 0

  • 1
    288 cm3
    Correct
    Wrong
  • 2
    256 cm3
    Correct
    Wrong
  • 3
    128 cm3
    Correct
    Wrong
  • 4
    192 cm3
    Correct
    Wrong
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Answer : 4. "192 cm3"

Q:

∆ABC is a right angle triangle BD⊥AC. If AD = 12 cm and DC = 8, then BD = ?

1020 0

  • 1
    $$ {5\sqrt {6}}$$
    Correct
    Wrong
  • 2
    $$ {4\sqrt {6}}$$
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 2. "$$ {4\sqrt {6}}$$"

Q:

If $$ {x+{9\over x}=6}$$  then find the value of $$ {x^{2}+{1\over x^{3}}}$$

1020 0

  • 1
    $$ {12{1\over 27}}$$
    Correct
    Wrong
  • 2
    $$ {9{1\over 27}}$$
    Correct
    Wrong
  • 3
    $$ {8{1\over 27}}$$
    Correct
    Wrong
  • 4
    $$ {10{1\over 27}}$$
    Correct
    Wrong
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Answer : 2. "$$ {9{1\over 27}}$$"

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