- The pendulum on a clock swings through an angle of 2 radians, and the tip sweeps out and
arc of 6 inches. Then the length of the pendulum is
A. 3 inches B. 12 inches C. 24 inches D. 12/π inches E. 24/π inches
- The area of a sector of a circle is 143 cm2and the length of the arc of the sector is 11 cm .
Then the radius , in cm, of the circle is
A. 11 B.13/2 C.26 D. 13 E. None of these
- The figure shows a sector OMN of a circle at centre O with the radius r = 6 cm and a
perimeter of 16 cm . The area of sector MON = ………
A. 24〖cm〗^2 B. 36〖cm〗^2 C. 15〖cm〗^2 D.12〖cm〗^2 E. 9〖cm〗^2
3.Given that S= {0,1,2,3,4} is the universal set and A={ x\ x3 – 9x =0 }.Then A=……..
A.{ -3 , 0, 3 } B. { -3 , 0 } C.{ 0 , 3 } D.{ -3 , -3 } E.{0,9}
4.The interval { x\ -2≤ x < 3 }is denoted by
A.( -2 , 3 ) B. [ -2 , 3 ] C.[ -2 , 3 ) D.( -2 , 3 ] E. None of these
- The graph on the number line is denoted by
2 3
A.(-2,3) B.[-2,3) C. (-2,3] D.[-2,3] E. Non of these
6.If A={x\x≥4,xϵR} and B={x\x<8 ,x∈R} then A∩B is
A. {x\8≥x≥4} B. {x\8≥x>4} C. {x\8≤x≤4}
D. {x\8≤x<4} E.Non of these
7.If P=[2,7) and Q=(3,7], then P∩Q =………..
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