1) √(100 - 64) = 10 - ........   a) 6 b) - 6 c) 4 d) -4 2) If  a X = 2 , a- Y = 3 , then a X + Y  = ........ a) 1 b) 2 ∕ 3 c) - 1 d) 6 3) If √( X + 5 ) = 3 , then √X = .......... a) zero b) 4 c) 2 d) 9 4) If the length of two sides of a triangle are 3 cm. and 7 cm. then which of the following can not be the length of the third side?  a) 7 cm. b) 9 cm. c) 8 cm. d) 3 cm. 5) The number of diagonals of the pentagon equals ........ a) 3 b) 7 c) 5 d) 9 6) The image of the point ( -1 , 3 ) by the translation ( 4 , -2 ) is ........ a) ( 3 , -1 ) b) ( 5 , 1 ) c) ( 3 , 1 ) d) ( 5 , - 5 )

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