11. Mensuration Ex 11.3

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Prepared : Nishad

Name of the student: (write below) *

1. The diameter of a roller is 84 cm and its length is 120 cm. It takes 500 complete revolutions to move once over to level a playground. Find the area of the playground in m2. *

1 point

1589 sq.m

1584 sq . m

1783 sq.m

None of these

2. Find the lateral surface area of the cuboid which is 8 m long, 6 m broad and 3.5 m high. *

1 point

98 sq.m

38 sq .m

100 sq.m

none of these

3. If the edge of a cube is 1 cm then which of the following is its total surface area? *

1 point

1 cm2

4 cm2

6 cm2

none of these

4. The base radius and height of a right circular cylinder are 14 cm and 5 cm respectively. Its curved surface is *

1 point

220 cm²

440 cm²

1232 cm²

none of these

5. The height, length and width of the box are 20 cm, 15cm and 10 cm respectively. Then the total surface area is ———– *

1 point

1300 sq.cm

B. 650 sq.cm

C. 2600 sq.cm

none of these

6. The curved surface area of a right circular cylinder of height 14 cm is 440 cm. sq. Find its base radius. *

1 point

7. The diameter of a garden roller is 1.4 m and it is 2 m long. How much area will it level in 5 revolutions? *

1 point

24 sq.m

36 sq.m

44 sqm

28 sqm

8. Find the side of a cube whose surface area is 2400cm square *

1 point

20 cm

10 cm

14 cm

400 cm

9.A godown is 50 m long, 40 m broad and 10 m high. Find the cost of whitewashing its four walls and ceiling at Rs 20 per square metre. *

1 point

76000 RS

78650 RS

79500 RS

52600 RS

10.A cylindrical tank is open at the top it has the base diameter 28 m and height 7 m how many m square of metal sheets is used to build the tank *

1 point

1230 sq.m

1232 Sq.m

1300 sq.m

none of these

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