1. Evaluate: (1) a) V4050222 b) V264 + V144 c) 3\\/729 X 3x/IOOO d) (2/3)\" 2. Solve the following equations: (1) 2a2 =1250 3b2'3=192 3. Simplify the following: (2) 33 113 7 3 4- 5 4 3 605*? \"g Cim'r d 3722 b) Simplify the following: (2) _ x2+5x 10x I) x 33:"2 5x +25 1') 4xy: X15y2 5x3 . 4x2y2 8y2 ii] iii]3 xx 1v] 5x3y X38263; 20x 3x3 183631 4. If a mix of 1:3 is used to make cement-mortar screed find the amount of aggregate needed if four 50kg pockets of cement are used. (2) 5. Evaluate where possible (2) a) 144 b) J62 + 82 c) 2/43/22? d) W 6. The wet volume of bricklaying mortar is E of the dry volume. Find (2) a) The dry volume of a sample of mortar with a wet volume of 9m3. b) The wet volume of mortar if the dry volume is 7.5m3 c) If a mix of 1:4 is used to make bricklaying mortar for the sample in (b) above, calculate the cost of cement if 1m3 costs P680. cl) If 1m3 of mortar (wet) is used to lay 600 bricks, how many bricks will the volume in (a)