- 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
. If 2x2 -5xy + 3y2=0, then x:y=……….
A. 2:5 B. 5:3 C. 1:1 D. 1:1 (or) 2:3 E. 3:2 (or) 1:1 - If xy = x + y, where x and y are real numbers, then y cannot be
A.0 B.1 C. -1 D.2 E. -2 - If 3a = 4b = 5c, then 1/a:1/b:1/c =…………
A. 1/3:1/4:1/5 B.1/5 :1/4: 1/3 C. 1/4:1/5:1/3 D. 3:4:5 E.5:4:3 - If x:y:z =2:3:4 and x + y +z = 18 , then xyz = …………
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