The radius of a semi circle is 6.3 cm then its perimeter is?
A. 35.4 cm
B. 32.4 cm
C. 32 cm
D. 30 cm
Areas
What is the ratio between perimeters of two squares one having 3 times the diagonal then the other?
What is the ratio between perimeters of two squares one having 3 times the diagonal then the other?
A. 4:8
B. 1:4
C. 6:2
D. 3:1
A rope of which a calf is tied is increased from 12 m to 23 m, how much additional grassy ground shall it graze?
A rope of which a calf is tied is increased from 12 m to 23 m, how much additional grassy ground shall it graze?
A. 1120 m2
B. 1250 m2
C. 1210 m2
D. 1200 m2
The radius of the two circular fields is in the ratio 3: 5 the area of the first field is what percent less than the area of the second?
The radius of the two circular fields is in the ratio 3: 5 the area of the first field is what percent less than the area of the second?
A. 50%
B. 60%
C. 40%
D. 64%
The ratio of the radius of two circles is 1: 3, and then the ratio of their areas is_________?
The ratio of the radius of two circles is 1: 3, and then the ratio of their areas is_________?
A. 1:3
B. 1:6
C. 1:9
D. 1:5
If the wheel is 14 cm then the number of revolutions to cover a distance of 1056 cm is?
If the wheel is 14 cm then the number of revolutions to cover a distance of 1056 cm is?
A. 15
B. 10
C. 14
D. 12
The radius of a circular wheel is 1.75 m, how many revolutions will it make in traveling 1 km?
The radius of a circular wheel is 1.75 m, how many revolutions will it make in traveling 1 km?
A. 1000
B. 2000
C. 3000
D. 4000
Find the cost of fencing around a circular field of diameter 28 m at the rate of Rs.1.50 a meter?
Find the cost of fencing around a circular field of diameter 28 m at the rate of Rs.1.50 a meter?
A. Rs.150
B. Rs.132
C. Rs.100
D. Rs.125
If the area of circle is 616 sq cm then its circumference?
If the area of circle is 616 sq cm then its circumference?
A. 78 m
B. 88 m
C. 75 m
D. 70 m
Find the area of circle whose radius is 7m?
Find the area of circle whose radius is 7m?
A. 124 sq m
B. 154 sq m
C. 145 sq m
D. 167 sq m
22/7 * 7 * 7 = 154