Math Exam

Christ School – Bundibugyo
2007 Interview Examination for Orphan Sponsorship Scheme
Mathematics

Time allowed: 1 hour
Attempt all numbers.

1. How many centimetres are in half a metre?
2. Add: 0.21 + 0.08 + 2.42
3. Find the LCM of 4 and 6.
4. Divide 2160 by 12.
5. Solve 2x – 1 = 5.
6. Amuge’s monthly salary is Sh. 12,000/-. If 10% of her salary is taken off as house rent, how much money does she pay as house rent per month?
7. Subtract 2/3 – 3/5.
8. Write in numerals: “Seventy thousand thirty two”
9. Write down the next number in the sequence: 1, 4, 9, 16, 25, ….
10. Find the median of the following numbers: 8, 7, 3, 6, 4, 7, 1
11. The circumference of a circle is 22 cm. Find the radius of the circle. (Use π = 22/7)
12. The area of a square blackboard is 6 ¼ m2. Find the length of one side of the blackboard.
13. A bag contains 12 mangoes, and 7 of the mangoes are ripe. Find the probability of picking a mango which is not ripe from the bag.
14. Joseph walked a distance of 2 km in ½ hr. What was his average speed in km per hr?
15. Find 75% of 64.
16. A rectangle is 8 cm by 6 cm. Find the length of its diagonal.
17. Simplify: (4p – 3q) – (2q + p)
18. The mean of 3, 5, 7, (x + 1), 7, 2 is x. Find the value of x.
19. Solve: ½ x – 3 = x + 1
20. A house was built by 6 men in 12 days, each earning sh. 3,000/- per day.
(a) How much money total did the six men earn to complete the house?
(b) How long would it have taken 9 men working at the same rate to build that house?
21. A = { all factors of 24 }
B = { multiples of 3 between 0 and 25 }
(a) Write down the members of A.
(b) Write down the members of B.
(c) Write down the set A ∩ B.
22. Theopista went shopping with sh. 25,000/- and bought items as shown in the table below.

...........Quantity.....Unit price (sh)..Total cost (sh)
Meat............2 kg........3000 per kg.........6,000
Sugar ..........(a) ..........2000 per kg.........4,000
Rice ............3 kg..............(b)......................3,300
Paraffin...2 ½ litres...1000 per ½ litre.....(c)
Bread...........(d).........1500 per loaf...........4,500
........................................................TOTAL...(e)

(i) Complete the table by filling in for (a) – (e).
(ii) What was her balance?