Simplify (a×a×a……a)/(a+a+a+⋯a)
p terms
A.a^(p-1)/p B.pa^(p/2) C.a^p/(p-2) D.p/2 E.1
- The value of {[(2)^(-1) ]^(-1) }^(-1)is
A.2 B.-2 C.-1/2 D.1/4 E.1/2
7.5(32 )/(5^3 )^2 =…….
A.1 B.0 C.25 D.125 E.625
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
A. 2 B. 3 C.5 D. 48 E. 12
- OAB is a sector of a circle with centre O, radius 8 cm and a perimeter 22 cm. Then the area
of sector, in square cm is
