Lakshya Education MCQs

Question:

  1. An equilateral triangle has a side of 2 metres. With all the three comers as centres circles are described, each of radius 1 m. The area of the remaining portion of the triangle is (take  = 3.1416)

Options:
A.0.1212 m2
B.0.1612 m2
C.0.1812 m2
D. none of these
Answer: Option B

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More Questions on This Topic :

Question 1.

  1. Four equal circles are described about the four comers of a square so that each touches two of the other. Find the area of the space enclosed between the circumference of the circles, each side of the square measuring 14 cm.

Options:
  1.    38 cm2
  2.    40 cm2
  3.    42 cm2
  4.    none of thes
Answer: Option C
Question 2.

  1. A chord AB of a circle of radius 10 cm makes a right angle at the centre of the circle. Find the area of the major and the minor segments.

Options:
  1.    28.5 cm2 , 285.5 cm2
  2.    25.8 cm2 , 285.5 cm2
  3.    285.5 cm2 , 28.5 cm2
  4.    none of these
Answer: Option A
Question 3.

The length of a wire which is tied as a boundary of a semicircular park is 72 m.Find the radius of the semicircular park and area of the park.

Options:
  1.    13 m , 506 m2
  2.    14 m , 506 m2
  3.    12 m , 216 m2
  4.     none of these
Answer: Option D
Question 4.

  1. By how much per cent approximately is the diagonal of a square less than two of its sides combined?

Options:
  1.    21
  2.    23
  3.    27
  4.    29
Answer: Option D
Question 5.

  1. If the area of a square increases by 96%, then the side of a square increases by

Options:
  1.    20%
  2.    30%
  3.    40%
  4.    502%
Answer: Option C
Question 6.

  1. The length of a rope by which a horse must be tethered so that it may be allowed to graze over an area of 144 Ð› m2 is

Options:
  1.    8 m
  2.    12 m
  3.    16 m
  4.    none of these
Answer: Option B