1) ( a + b )2 = ? a) a2 + b2 + 2ab b) a2 + b2 c) a2 + b2 - 2ab d) a2 - b2 2) H.C.F. of 12 and 18 is ____ a) 4 b) 6 c) 72 d) 36 3) L.C.M. of 6 and 9 is ____ a) 36 b) 24 c) 18 d) 3 4) Square root of 144 is ____ a) 36 b) 144 c) 72 d) 12 5) Area of a rectangle of length and breadth 12m and 8m = ? a) 96 m2 b) 48 m2 c) 69 m2 d) 84 m2 6) Cube root of 27 is ____ a) 6 b) 3 c) 9 d) 12

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