Geometry Questions and answer Practice Question and Answer

Q:

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

1068 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 the area of a circle, inscribed in a equilateral triangle is 4 π cm2, then what is the area of the triangle?

1068 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:

A circle is inscribed in a equilateral triangle of side 24 cm. What is the area ( in cm2) of a square inscribed in the circle?

1065 0

  • 1
    48
    Correct
    Wrong
  • 2
    96
    Correct
    Wrong
  • 3
    54
    Correct
    Wrong
  • 4
    72
    Correct
    Wrong
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Answer : 2. "96"

Q:

Triangle PQR is inscribed in the circle whose radius is 14 cm . If PQ is the diameter of the circle and PR =10 cm , then what is the area of the triangle ? 

1062 0

  • 1
    196
    Correct
    Wrong
  • 2
    $$ {30{\sqrt{19}}}$$
    Correct
    Wrong
  • 3
    $$ {40\over 17}$$
    Correct
    Wrong
  • 4
    $$ {35{\sqrt{21}}}$$
    Correct
    Wrong
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Answer : 2. "$$ {30{\sqrt{19}}}$$"

Q:

PAB and PCD are two secants to a circle . If PA 10 cm , AB = 12 cm and PC = 11 cm , then what is the value ( in cm ) of PD ?

1060 0

  • 1
    18
    Correct
    Wrong
  • 2
    9
    Correct
    Wrong
  • 3
    20
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 3. "20 "

Q:

Which cities were India's first steel project-

1060 0

  • 1
    Bhilai
    Correct
    Wrong
  • 2
    Kolkata
    Correct
    Wrong
  • 3
    Jamshedpur
    Correct
    Wrong
  • 4
    Bokaro
    Correct
    Wrong
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Answer : 3. "Jamshedpur"

Q:

If the area of a circle is 9π sq.cm then it circumference is

1059 0

  • 1
    9 cm
    Correct
    Wrong
  • 2
    6 π cm
    Correct
    Wrong
  • 3
    3π cm
    Correct
    Wrong
  • 4
    6 cm
    Correct
    Wrong
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Answer : 2. "6 π cm"

Q:

A secant PAB is drawn from an external point P to the circle with centre O, intersecting it at A and B. If OP = 17 cm, PA = 12 cm and PB = 22.5 cm, then the radius of the circle is:

1051 0

  • 1
    $$ 2\sqrt {3} \ $$ cm
    Correct
    Wrong
  • 2
    $$ \sqrt {19} \ $$ cm
    Correct
    Wrong
  • 3
    $$ \sqrt {17} \ $$ cm
    Correct
    Wrong
  • 4
    $$ 3\sqrt {3} \ $$ cm
    Correct
    Wrong
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Answer : 2. " $$ \sqrt {19} \ $$ cm"

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