Grade A Questions 2

More questions for grade A maths.

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  • Created on: 08-06-11 15:58
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Module 9 revision questions
Question 1 a ) Si
mp li
fy 4 x³
+ 1 2 x
2x
b) Factor
ise
3x²
48
Question 2 T h i
sh
i st
ogram show st hed
i
str
ibut
iono
f
ageso
f
empl
oyeesi
na
c ompany:
a) How many
empl
oyees ar
e aged
60 or
over
?
b) Show t
hat
50%
of
the
emp l
oyees
are
aged b et
w een
30
and
50.
Question 3 A l
an,
B r
ian
&
C l
ive
are br
o t
he r s.
A l
an i
s 3
yea r
s younger t
han B ri
a n.
C l
ive
is
7 years
older
than Bria n.
T he
product
o f
Al
a n'
s &
C l
ive '
s
a ges
i
s 75.
a) L et
Bri
an's
ag e
be x.
Sh ow t
hat

+ 4x ­
9 6
=
0.
b) S olve
the
equ at
ion

+ 4x ­
96 = 0.
c) H ow
old
are each
o f
t
he 3 br
others.
Question 4 T he
3 dri
nki
n g
g l
asses bel
ow
a re
ma thema t
i
cal
ly
simi
l
a r
.
G l
ass A has capaci
ty
20 0ml.

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Cal
culat
e t
he
capacit
y of
glass
B.
b) The
capaci
ty
of
glass
C
is
1 l
i
tre.
C al
cul
ate
the
hei
ght
of
gl
ass
C .
Question 5 A pa rt
yh
a t
i
si
nt
hes
ha peo
f
ac one.
Thec
o nei
sma
d ef
r
om
a
s ect
or
of
a ci
rcl
e:
C al
cul
ate
the
area
of
the
sector
.…read more

Page 3

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T he
diagram l
e ft
shows part
o f
the r
oof.
T hep
laneB
C Di
s hori
zon t
al
a ndt hel
i
ne
A D i
s ver
ti
cal.
M i
s t
he midp oint
of
BC .
a) C al
cula t
e t
he l
eng th
A C.
b) C al
cula t
e angl
e AC D.…read more

Page 4

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Theh
ist
ogr
am bel
ows
howst hed
i
str
ibut
iono
f
t
hea
geso
f
200p
eopl
ei
n
t
he ci
nema
on
another
day.
Ma ke
two comme n t
s comp ari
ng t
he t
w o
d i
str
ibut
ions.…read more

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