LAKESIDE COLLEGE LUZIRA
MID-TERM,2012 EXAMINATIONS
S1 MATHEMATICS
Time Allowed: 2 Hours
Instruction:
• Attempt any 12 numbers
SECTION A
1. What can be the value of n in bases in 36 = l00n?
2. A small scale poultry farmer packs eggs for sale in boxes of 6, 12 or 18 eggs.
What is the smallest number of eggs that can be packed in that way?
4
3
3. Evaluate 1 5 − (4 ÷
5
4
) + 1 15
18
4. Express 6.73636….as a fraction
5. Evaluate
3a+2(b−c)
3c+a
if a = 2, b = 4 and c = 3
6. In Kampala, shopkeeper reduces his prices by 25%. What will be the cost of a pair
of shoes originally at Ushs. 8,000?
7. Solve the equation 5(x -11) - 2(2x - 5)
=8
8. A car travels 540km in 8 hours. Calculate the average speed of the car.
9. The mean of 9, 4, 2,4, x, 6 is 5. Find the value of x.
10. Express 144 as a product of its prime factors - hence work out the square root of 144.
SECTION B
11. Use the Venn diagram to answer questions that follow.
Find
i)
ii)
iii)
iv)
Value of x if n(∈)=43
n(D)
n(A)
n(A n D n R’)
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v)
n(A n D n R’)+ n(A n D’ n R)+(A’ n D n R)
12. (a) Draw the graph of y = x2 + 2 for values of x from x
down the sizes of the angles marked T, m and h
= -3 to x = 3 (b) Write
END
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