1.If the volume of a cube is 1728, the length of its edge is equal to
20 cm
19 cm
12 cm
15 cm

2. Two cubes each of 10 cm edge are joined end to end. The surface area of the resulting cuboid is
1700 cm2
1400 cm2
1000 cm2
4000 cm2

3. A rectangular sheet of paper 44 cm × 18 cm is rolled along its length and a cylinder is formed. The volume of the cylinder so formed is equal to (Take π = 22/7)
2700 cm3
2799 cm3
2772 cm3
3272 cm3

4. If the radius and height of a cylinder are in the ratio 5 : 7 and its volume is 550 , then its radius is equal to (Take π = 22/7)
14 cm
12 cm
10 cm
6 cm

5. If the curved surface area of a solid right circular cylinder of height h and radius r is one-third of its total surface area, then
h = 2 r
h = 1/4 r
h = 1/2 r
h = 3/2 r

6. A hollow cylindrical pipe is 21 cm long. If its outer and inner diameters are 10 cm and 6 cm respectively, then the volume of the metal used in making the pipe is (Take π = 22/7)
1056 cm3
1060 cm3
1013 cm3
1056 cm3

7. If the radius and slant height of a cone are in the ratio 4 : 7 and its curved surface area is 792 , then its radius is (Take π = 22/7)
15 cm
12 cm
17 cm
19 cm

8. If the radius of the base and the height of a right circular cone are respectively 21 cm and 28 cm, then the curved surface area of the cone is (Take π = 22/7)
2350 cm2
2210 cm2
3310 cm2
2310 cm2

9. A conical tent with base-radius 7 m and height 24 m is made from 5 m wide canvas. The length of the canvas used is (Take π = 22/7)
150 m
110 m
100 m
120 m

10. The total surface area of a solid hemisphere of radius 3.5 m is covered with canvas at the rate of Rs. 20 per. The total cost to cover the hemisphere is (Take π = 22.7)
Rs. 2300
Rs. 2460
Rs. 2310
Rs. 2450

## Class 10 Surface Area and Volumes Quiz 1

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