Mensuration

Q.1: The area of a trapezium is 400 sq. m, the distance between two parallel sides is 10 m and one of the parallel side is 30 m. Find the length of the other parallel side.

a) 80 m

b) 60 m

c) 50 m

Q.2: The diagonals of a rhombus are 8 cm and 12.5 cm. Find its area.

a) 50 cm

b) 50 sq. cm

c) 500 sq. cm

Q.3: The area of a rhombus is 640 sq. cm. If one of its diagonal is 32 cm, then find the length of the other diagonal.

a) 50 cm

b) 80 cm

c) 40 cm

Q.4: The area of a parallelogram is 550 sq. m. If its base is 11 m, then find its height.

a) 50 m

b) 25 m

c) 10 m

Q.5: Find the area of a semi circle whose diameter is 42 cm.

a) 1386 sq. cm

b) 5544 sq. cm

c) None

Q.6: Find the radius of a cylinder whose height is 14 cm and lateral surface area is 880 sq. cm.

a) 5 cm

b) 10 cm

c) 12 cm

Q.7: A cuboid of dimensions 8 cm x 7.5 cm x 5 cm is painted on all sides except the bottom. Find the surface area of the painted part.

a) 66.5 sq. cm

b) 78.5 sq. cm

c) 65.5 sq. cm

Q.8: The lateral surface area of a hollow cylinder is 3125 sq. cm. If it is cut along its height and formed a rectangular sheet of width 25 cm, then find the length of the rectangular sheet.

a) 125 cm

b) 115 cm

c) 105 cm

Answers:

  1. c
  2. b
  3. c
  4. a
  5. c
  6. b
  7. a
  8. a

Published by Priya Prakash

In the midst of winter, i found there was within me an invincible summer ~ Albert Camus

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