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
Basic Arithmetic
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 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
The perimeter of a semi circle is 144 cm then the radius is_________?
A. 25 cm
B. 28 cm
C. 30 cm
D. 35 cm
Find the area of the quadrilateral of one of its diagonals is 20 cm and its off sets 9 cm and 6 cm?
A. 120 sq m
B. 150 sq m
C. 110 sq m
D. 300 sq m
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
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 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
The radius of a circle is increased by 1%. Find how much % does its area increases?
A. 1.01%
B. 5.01%
C. 3.01%
D. 2.01%
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