1) (-3,-2) is in quadrant? a) 1st b) 2nd c) 3rd d) 4th 2) (6x0)2 a) 6 b) 36 c) 6x2 d) 36x2 3) The characteristic of log 507.61 a) 1 b) 2 c) 3 d) 4 4) If a+b=2 and a-b=2, the value of a2-b2 is: a) 8 b) 6 c) 4 d) none 5) The H.C.F. of x4-y4 and x2-y2 is: a) x4+y4 b) (x2+y2)(x2-y2) c) x2+y2 d) x2-y2 6) Solution set of √y-2 =-4 is: a) 18 b) { } c) ± 4 d) none of these 7) The mean proportion of 75 and 12 are: a) ±20 b) ±10 c) ±30 d) ±40 8) If the S.D of a series is 4, then its variance is: a) 20 b) 36 c) 2 d) 16 9) The sum of two supplementary angles is: a) 90º b) 180º c) 360º d) none of these 10) The distance of any point of a circle from the center is called its: a) radius b) diameter c) chord d) tangent 11) sin 30º =? a) 1/2 b) √3/2 c) 1/√3 d) √3 12) 6√x , 6 is called: a) radicand b) index c) power d) base 13) The natural logarithm has the base: a) π b) e c) 10 d) 0 14) The set of all possible subsets of aset is called: a) power set b) null set c) improper set d) none of these 15) An angle less than 90º is called ......................... angle a) obtuse b) acute c) right d) reflex 16) It should be added to 16a2 +8ab to make it a perfect square: a) b2 b) 2b2 c) a2 d) 4b2 17) If (x-2)(x+3) =0 then x=? a) -2,-3 b) 2,-3 c) -2,3 d) 2,3 18) 1+tan2 x=? a) sec2 x b) cosec2 x c) sin2 x d) none of these

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