1. Solve the simutaneous equations:
2. Map A is drawn to a scale of 2cm to 5km while map B is drawn to a scale of 3cm to 4km. A forest is represented by an area of on map A. Find its area represented on map B.
3. Find the LCM and HCF of and
4. Evaluate (3.5 means 3 point 5)
5. Evaluate xx, giving the answer in standard form.
6. A manufacturer sells goods to a wholesaler at a profit of 20%. The wholesaler in turn sells the goods to a shopkeeper at a profit of 10% and the shopkeeper retails the goods at a profit of 12.5%. Find:
a)the wholesaler price of the goods which cost the manufacturer $90
b)the cost to the manufacturer for goods sold in the shop for $1485.
7. Given that ; express x in terms of y.
8.The denomirator of a fraction exceeds the numerator by 4. When 3 is added to both the numerator and the denomirator; the fraction becomes
Find the fraction.
9. The sum of the interior angles of a polygon is ten times the sum of its exterior angles. Find the number of sides of the polygon.
10. Give the trapezium ABCD(the side AB parallel to the side CD). Given that the diagonals of the trapezium make the right angle and the angle BCD is right angle too. Length of the side AB is 2cm, the diagonal BD is 3cm. Calculate the length of side CD correct to 5 significant figures.
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