Q.1. a) Solve for x : 3x = 5x –
8
5
b) Multiply (a + 7) and (b –5) [2+2]
Q.2. a) Simplify:
2
x – 7
b) Find the value of :
0 –1 2 3 4 2 [2+2]
Q.3. a) Express in standard form: 0.000035
b) If 15 workers can build a wall in 48 hours, how many workers will be required to do the same
work in 30 hours? [2+2]
Q.4. a) Factorise: x
2
+ 8x + 16
b) The diagonals of a rhombus are 7.5 cm and 12cm. Find its area. [2+2]
Q.5. a) Find the height of a cylinder whose radius is 7cm and the total surface area is 968 cm2.
b) Find the value of
–2 2
3
.
Answers
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