Geometry Practice Question and Answer

Q:

Areas of two similar triangles are 36 cm2 and 100 cm2. If the length of a side of the larger triangle is 20 cm, then the length of the corresponding side of the similar triangle is:

722 0

  • 1
    15 cm
    Correct
    Wrong
  • 2
    14 cm
    Correct
    Wrong
  • 3
    12 cm
    Correct
    Wrong
  • 4
    13 cm
    Correct
    Wrong
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Answer : 3. "12 cm"

Q:

5√2 cm in a circle. If the long chord makes a right angle at the centre, then what will be the length of the radius of the circle?

712 0

  • 1
    2.5 cm
    Correct
    Wrong
  • 2
    5 cm
    Correct
    Wrong
  • 3
    7.5 cm
    Correct
    Wrong
  • 4
    10 cm
    Correct
    Wrong
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Answer : 2. "5 cm"

Q:

In ΔPQR, PQ=QR and O is an interior point of ΔPQR such that ∠OPR=∠ORP.

Consider the following statements:

(i) ΔPOR is an isosceles triangle.

(ii) O is the centroid of ΔPQR.

(iii) ΔPQO is congruent to ΔRQO.

Which of the above statements are correct?

706 0

  • 1
    Only (i) and (ii)
    Correct
    Wrong
  • 2
    Only (i) and (iii)
    Correct
    Wrong
  • 3
    Only (ii) and (iii)
    Correct
    Wrong
  • 4
    Only (ii)
    Correct
    Wrong
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Answer : 2. "Only (i) and (iii) "

Q:

A cube has sides that are 4 cm each, and the dimensions of a cuboid are 2cm x 3cm x 4cm. Find the positive difference between the volume of the cube and that of the cuboid.

692 0

  • 1

    40 cm3

    Correct
    Wrong
  • 2

    120 cm3

    Correct
    Wrong
  • 3

    20 cm3

    Correct
    Wrong
  • 4

    60 cm3

    Correct
    Wrong
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Answer : 1. "

40 cm3

"

Q:

In △PQR, ∠P = 90°. S and T are the mid points of sides PR and PQ, respectively. What is the value of RQ2/(QS2+ RT2)?

689 0

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

Q:

On increasing the radius of circle by 1 cm, its area is increased by 44 cm2 .The original radius of the circle is -

683 0

  • 1
    5.6 cm
    Correct
    Wrong
  • 2
    9 cm
    Correct
    Wrong
  • 3
    6 cm
    Correct
    Wrong
  • 4
    6.5 cm
    Correct
    Wrong
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Answer : 4. "6.5 cm"

Q:

In an isosceles triangle, if the unequal angle is twice the sum of the equal angles, then each equal angle is

669 0

  • 1
    120° 
    Correct
    Wrong
  • 2
    60° 
    Correct
    Wrong
  • 3
    30° 
    Correct
    Wrong
  • 4
    90°
    Correct
    Wrong
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Answer : 4. "90°"

Q:

AC is a chord of circle whose centre is at O. If B is any point on the arc AC and ∠OCA=20, then the magnitude of ∠ABC is

663 0

  • 1
    1000
    Correct
    Wrong
  • 2

    400

    Correct
    Wrong
  • 3

    1300

    Correct
    Wrong
  • 4

    1100

    Correct
    Wrong
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Answer : 4. "

1100

"

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