Question

Ikm will be [
77
a)
1. The radius of a wheel is 0.25m the number of revolutions it will make to travel a distance of 11km will be
a) 2800
b) 4000
c) 5500
d) 7000
2. The area of a circle is 220 cm'. The area of a square inscribed in it is
a) 49 cm?
b) 70 cm?
c) 140 cm?
d) 150 cm?
3. If the area of a square is same as the area of circle then the ratio of their perimeters in terms of n is [. ]
a) 11:13
b) 2:777
c) 3:7
d) 7:12
4. If the area of sector of a circle bounded by an arc of length 51 cm is equal to 201 cm' then the [ ]
radius of circle is
a). 120 cm
b) 16 cm
c) 8 cm
d) 10 cm
3. Area of sector subtends an angle of 60' at the centre and radius 7cm is
]
77
c) 154
d) 77
0. The material of a cone is converted into the shape of a cylinder of equal radius. If the height of [ ]
the cylinder is 5 cm, then the height of cone is
a) 10 cm
b) 15cm
c) 18 cm
d) 24 cm
7. If three metallic spheres of radii 6cm, 8cm and 10cm are melted to form a single sphere, the
diameter of the sphere is
a) 12 cm
b) 24cm
c) 30 cm
d) 36cm
8. If a cone is cut into two parts by a horizontal plane passing through the mid point of its axis, the [ ]
ratio of volumes of the upper part and the cone is
a) 1:2
b) 1:4
c)1:6
d) 1:8
9. The curved surface area of cylinder is 264 m' and its volume is 924 m. The ratio of its diameter [ ]
to its height is
a) 3:7
b) 7:3
c) 6:7
d) 7:6
10. A rectangle sheet of paper 40cm x 22cm is rolled to forin a hollow cylinder of height 40cm The T.
radius of the cylinder is
a) 3.5
b) 7
c) 80/7
d) 5
​

Answer 1

Answer:

1 - d

2 - c

3 - a

4 - a

5 - b

6 - a

7 - d

8 - c