Mensuration

Q.1: The length and breadth of a rectangle is 12 m and 10 m. Its perimeter will be ____.

a) 120 m

b) 22 m

c) 44 m

Q.2: The perimeter of an equilateral triangle is 90 cm. Then the length of each side of the triangle will be ___________.

a) 30 cm

b) 30 m

c) 270 cm

Q.3: The side of a pentagon is 5 m. Its perimeter will be ________.

a) 25 m

b) 20 m

c) 30 m

Q.4: The area of the rectangle with length 18 m and breadth 10 m is _______.

a) 180 m

b) 180 m²

c) Either ‘a’ or ‘b’

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Q.5: The perimeter of square is __________.

a) 4 – side

b) 4 x side

c) 4 + side

Q.6: If the perimeter of a square is 44 m, then its side will be ______.

a) 11 m

b) 22 m

c) 16 m

Q.7: The length and breadth of a rectangle is 4 m and 100 cm. Find its perimeter.

a) 208 cm

b) 208 m²

c) 1000 cm

Q.8: The perimeter of a scalene triangle is 40 m. If two of its sides measure 15 m and 11 m, then length of its third side will be _______.

a) 14 m

b) 20 m

c) 24 m

Q.9: The perimeter of an equilateral triangle is ________.

a) side + side

b) 3 x side

c) 4 x side

Q.10: The amount of surface enclosed by a closed figure is known as ___________.

a) flat surface

b) area

c) perimeter

Q.11: Perimeter of which regular figure is 6 x side ?

a) pentagon

b) hexagon

c) octagon

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Q.12: Which figure encloses more perimeter : a square of side 4 cm or an equilateral triangle of side 5 cm ?

a) square

b) triangle

c) None

Q.13: The perimeter of a garden is 150 m. If the cost to fence it is Rs 2 per m, then the total cost of fencing will be _________.

a) Rs 300

b) Rs 500

c) Rs 100

Q.14: Which formula will be used to find the area of a television ?

a) side x side

b) length x breadth

c) 1/2 x b x h

Q.15: Area of a tile of your room is _______ than area of the wall of your room.

a) lesser

b) greater

c) equal

Q.16: If the area of a square park is 25 km² , its side will be ________.

a) 5 km

b) 100 km

c) 20 km

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Q.17: The area of a room is 600 m² . The area of carpet laid in that room is 150 m² . Find the area of the room which is not covered by the carpet.

a) 450 m²

b) 300 m²

c) 350 m²

Q.18: The perimeter of an isosceles triangle with equal side of length 15 cm and third side of length 10 cm is __________.

a) 25 cm

b) 40 cm

c) 35 cm

Q.19: What will be the distance covered by Shalu by taking three rounds around a square park of side 40 m ?

a) 160 m

b) 320 m

c) 480 m

Q.20: While calculating the area of a figure using squared paper, one should ignore the portions of the area that are _______ than half of a square.

a) more

b) equal