Lakshya Education MCQs

Question:

  1. The length of sides of a parallelogram are 12 cm and 8 cm and has one diagonal 10 cm long. The approximate length of the other diagonal is

Options:
A.16.68 cm
B.17.78 cm
C.18.89 cm
D. none of these
Answer: Option B

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More Questions on This Topic :

Question 1.

  1. The time taken by a man to walk four times around the boundary of a square field containing 9 hectares as area at the rate of 6 km per hour is

Options:
  1.    12 min.
  2.    24 min.
  3.    36 min.
  4.    48 min.
Answer: Option D
Question 2.

  1. A map is drawn to the scale of 120 cm to a kilometre. The number of sq. cm on the map which represents a hectare of ground is

Options:
  1.    122
  2.    132
  3.    144
  4.    none of these
Answer: Option A
Question 3.

  1. If the circumference of a circle is reduced by 50% then the area gets reduced by

Options:
  1.    75%
  2.    100%
  3.    125%
  4.    none of these
Answer: Option A
Question 4.

  1. A rectangular cardboard is 4 cm by 2 cm. The greatest possible circle is cut off from the cardboard. What is the area of the remaining part of the cardboard?

Options:
Answer: Option A
Question 5.

  1. A semicircle is constructed on each side of a square of length 2 m. The area of the whole figure will be  

Options:
Answer: Option A
Question 6.

  1. The area of a circle is halved when its radius is decreased by n, its radius is equal to

Options:
  1.    \(n ( 2 - \sqrt{2})\)
  2.    \(n ( 2 +\sqrt{2})\)
  3.    \(n ( 1 - \sqrt{2})\)
  4.    none of these
Answer: Option B