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
Mathematics Mcqs
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
Find the area of the quadrilateral of one of its diagonals is 20 cm and its off sets 9 cm and 6 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 circle is increased by 1%. Find how much % does its area increases?
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%
The cross-section of a cannel is a trapezium in shape. If the cannel is 10 m wide at the top and 6 m wide at the bottom and the area of cross-section is 640 sq m, the depth of cannel is_________?
The cross-section of a cannel is a trapezium in shape. If the cannel is 10 m wide at the top and 6 m wide at the bottom and the area of cross-section is 640 sq m, the depth of cannel is_________?
A. 20 m
B. 60 m
C. 40 m
D. 80 m
The side of a square is increased by 25% then how much % does its area increases?
The side of a square is increased by 25% then how much % does its area increases?
A. 52.65
B. 56.25
C. 50.75
D. 42.75