A. 2:3 B. 8:3 C. 4:6 D. 3:8 E. None of these
- 6600 feet : 2 miles =…………
A. 8:5 B. 5:8 C. 33:1 D. 22:1 E.3300:1 - If 1/2x+y=2x, then x:y=……….
A. 1:2 B. 2:3 C.3:4 D. 3:5 E. 4:5 - The ratio 27:36 , expressed as a percentage, is
A. 25% B. 45% C. 60% D. 75% E. 80%
5.The ratio 2:x , expressed as a percentage , is 40%, then x=………..
A. 3 B. 4 C.5 D. 6 E.8 - If a:b=3:8 and b:c=4:5, then a:c=…………..
A. 5:11 B. 3:8 C. 3:11 D. 3:10 E. 5:8 - If a:b=3:5 and b:c=3:5, then a:b:c=………
If we convert 135° to radian measure, we get
A.3π/4 B.3π/2 C.π/4 D.π/2 E.(3+π)/2 - 75° in radian measure is
A.π/75 B.75/π C.5π/12 D.12π/5 E.π/30
3.An arc PQ subtends an angle 60° at the centre O of radius 3 cm. The area of the sector POQ is
A. 270 〖cm〗^2 B. 3/2 〖cm〗^2 C. 3π/2 〖cm〗^2 D. 3π 〖cm〗^2 E. 180 〖cm〗^2
4.A sector of a circle has arc length of 8 cm and the area of 16 cm2,then the radius of the circle
in cm , is