Question 1
Use logarithm tables to solve
Answer
Question 2
a. Expand and simplify
b. . Hence evaluate leaving your answer in surd form
Answer
a.
b.
b.
Question 3
A mixture is made by mixing 4kg of long grain rice costing sh 60 per kg with 9kg of short grain rice costing sh 50 per kg. How many kilograms of long grain rice should be added to the mixture so that the resulting mixture can be sold at sh 66 per kg and a profit of 20% is made.
Answer
Question 4
Find the centre and radius of a circle whose equation is
Answer
Question 5
Peter invested a certain amount of money in a financial institution at compound interest compounded quarterly. At the end of the third year it had amounted to sh 18980 and by the end of the fifth year it had amounted to sh 20530. Find the rate of interest
Answer