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1
Perimeter of the circle is also known as ______________________.
Area
Circumference
Volume
None of these
2
An ox tied to a pole with 10 m long rope. The ox moves keeping the rope tight. Find the area of the ground swept by the rope (in sq m).
445
121
314
413
3
Find the area of a circle of radius 14 cms.
919 sq cm
616 sq cm
308 sq cm
4
If the ratio of areas of two circles is 16 : 25, then the ratio of their circumference is:
25:16
5:4
4:5
3:5
5
The radius of circle is 14 m, then the circumference of a circle is:
616 m
88 m
154 m
6
If the perimeter of a circle is cm , then. Find its radius .
7cm
14cm
7
The circumference of a circle is 44 cm. Its area is _______________
88 sq m
154 sq m
132 sq m
54 sq m
8
The area of a circle of radius 3.5 cm is _______________
38.5
22.0
154.0
115.5
9
A circle is inscribed in a square of side 28 cm. Find the area of the circle (in sq cm).
661
616
666
166
10
If the area of a circle A1 is 25 times area of a circle A2, then the ratio of their circumference is
1:5
5:1
25:1
1:25
11
The area of a circle is 38.5 sq cm, Its circumference is __________________.
62 cm
11 cm
22 cm
21 cm
12
Determine the radius of circle whose circumference is 110 cm .
14.5cm
45.6cm
17.3cm
17.5cm
13
The difference between circumference and radius of a circle is 37 m, the circumference of that circle is:
7 m
44 m
14
The radius of a wheel of a vehicle is 2.52 cms. The wheel makes 10 revolutions in 5 seconds. The speed of the vehicle is
29.46 cm/sec
31.68 cm/sec
36.25 cm/sec
32.72 cm/sec
15
A circular disc of area 0.49 sq.meters rolls down a length of 1.76 kms. The number of revolution it makes is
300
400
600
4000