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1.Thesurface areaof a cube edge‘a’is?(a)7a2 (b)6a2 (c)5a3 (d)5a2 2.The value of(-1)55is?(a)-1 (b)1 (c)0 (d)553.The point (-2,-3) lies in which quadrant?(a)Iquadrant (b)IIquadrant (c)IIIquadrant (d)IVquadrant4.The circumference of circle whose diameteris 4cm will be?(a)44cm (b)88cm (c)44cm2 (d)88cm25.Factors of 2x+4is(a)2(x-4) (b)2(x+4) (c)2(x-2) (d)2(x+2)6.The exponent in the expression 3' is_______.(a)1 (b)7 (c)3 (d)07.If y-coordinate of a point is zero,then this point always lies:(a)Iquadrant (b)IIquadrant (c)x–axis (d)y–axis8.))Find the solution of 2x+3=7(a)2 (b)-2 (c)3 (d)59.))In simplified form (30+40+50)0 is equals to(a)12 (b)3 (c)12 (d)110.))The value of expression 5n2+5n-2forn=-2is(a)13 (b)3 (c)8 (d)12 |
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Answer» 1.The surface AREA of a CUBE = 6a2 hope it HELPS you |
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