QUEEN'S COLLEGE OR UNIVERSITY
HalfYearly Exam, 2011 – 2012
Class
Class Quantity
MATHEMATICS
CONVENTIONAL PAPER 1
Teacher's Use Only
QuestionAnswer Book
Secondary 2
Day:
Time:
Issue No .
Utmost.
Marks
Section A: Brief Questions
12– 1 – 2012
almost 8: 30 are – being unfaithful: 45 was
4.
five.
6.
Endeavors ALL questions in this paper. Publish your
answer in the areas provided from this
QuestionAnswer Publication.
Unless or else specified, every working should be
clearly displayed.
Unless in any other case specified, numerical answers
should either be exact or correct to 3 significant
numbers.
The blueprints in this daily news are not actually
drawn to size.
 G. 1

7
eight
6
almost 8
7
several.
9
a few
This conventional paper consists of TWO sections, A and M.
Section A and Section B bring 80 signifies and 45
marks respectively.
7
four
Write your class, category number in the spaces
offered on this cover.
8
several
2 .
you
2
1 .
Marks
12
8
14
9
12
Section N: Long Concerns
10
20
11
twenty
Total:
one hundred twenty
Page total
Section A: Short Inquiries.
1 .
(80 marks)
Find the prices of the subsequent. Express your answers in the units set by the mount.
(8 marks)
(a)
Kenny finished the 100 meters race in 12. five seconds.
[m/s]
(b)
The annual earnings of Kate is $174 000.
[$/month]
(c)
The selling price for 400 g of beef is $11. 2 .
[$/kg]
(d)
zero. 5 M of normal water weighs 6. 8 kg. (Given: you L sama dengan 1000 centimeter 3 )
[g/ cm several ]

S. 2 
Page total
2 .
In the event that (6 back button 1)(4 x a couple of 3) ( Px Q ) x two Rx T, find the values of P, Q,, R and S. (7 marks)
a few.
Let S i9000 cm a couple of be the surface area of a cuboid. The length, size and elevation are l cm, 2q cm and 3r centimeter respectively.
(a)
Express S i9000 in terms of g, q and r.
(4 marks)
(b)
Make 3rd there�s r the subject of the formula in (a).
(3 marks)
(c)
Hence locate the value of ur if H = 94, p = 5, queen = 2 .
(2 marks)

L. 3 
Page total
4.
Discover the subdivision and rest of (7 x 9 back button 3 5) (3 back button 1). Express the response in descending powers of x.
(7 marks)
your five.
The above frequency polygon reveals the measures (in cm) of a group of metal bars produced by a machine.

P. four 
Page total
(a)
Length(cm)
(c)
6.
59
Frequency
(b)
(3 marks)
Complete the table beneath.
1014
1519
3034
3
13
3539
4044
4549
8
How many metallic bars are there in the group?
(2 marks)
If material bars of lengths lower than 24. a few cm happen to be rejected, how many bars in the group are approved?
Simplify this expressions:
(a)
2a 4ab
6bc 3c
(4 marks)
(b)
2a 3 6 4a
6ab
4b
(4 marks)

L. 5 
(3 marks)
Page total
7.
The thickness of 500 sheets of paper of the same top quality is 46. 2 millimeter and considering that the relative error is definitely
(a)
you
.
110
Find the percentage problem of the fullness of all papers. (Correct your
(2 marks)
answer to a few sig. fig. )
(b)
Find some of the range of thickness of all papers.
(c)
Locate the actual variety of thickness of every sheet of paper. (Correct your reply to 3 sig. fig. )
(6 marks)
(2 marks)

G. 6 
Page total
8.
Make simpler the following expressions and communicate the answers with positive indices.
(a)
(5 marks)
x3 ( y some )2
( x some y 3 )3
75 w
(b)
5
2w
15
(6 marks)
w

P. 7 
being unfaithful.
(a)
Considering that 2a = 3b. Look for a: b.
(b)
Given that
(c)
(2 marks)
1 you 1
:: 4: 5: 6. Discover a: b: c.
a m c
Provided that ( by sumado a ): ( x y ) several: 3. Find x: y.

L. 8 
(7 marks)