24~
2017 JUlY 29 SATURDAY
/(J6TT
fl)) 15
=
12 xi
10
X
A0
o,s1 6a oi1
6 310jawo a mmj scai
crw
(a) 18
D6(Tfl
63(
(36' CflQIo ammilw ao
aoo3
cn.)06nJcrui
Oao
ng)
QJ3(3A68fl(%& 3(1-21 )ô6)OJ3
3
)c3 6Y3
i)(n3cw
Dø3o(OI)S1UX
A
-15:10
aaotsi1 x
O)6fl
ill
Bdad 15
jauj0
(310JCrx)J
16fl)o.
c
Cfl)0J(o
o6)0,O6fl
)L()
(d) 15
6)6,O
61E C)1(86)cfl) 6301 M3J1 12 ()
1)
1Q6Th61(
n4)j) amwo
D
b) d) 3
(31()J(ru
= 6 x 10
-
1coa,.
iaac) aai1 (1)1 (5 d36)3(18 oi
15
z
-
(1)10630(15
A
BO1
=
ioic;
dad
2
raara o)
(1)1(56)0(15
I
150 25
C) 10
d) 5
=
(I)6n
b)<
6
12
6)0,06fla
ra0jc3
(31C1im
i<5
6O,06fl
d36)o 0)s1 (10PJ1 6),J
aaoai1
m
rawn•oo
J1)S(0)) (0)1(&06)). J0),0)51 (J(s I
(nS
6)J)(1))
oll<5
A-
X (3101(11)6(13(/5 (301631)
A
6 X 18
0)m1
-•
6oJ(Xi)(0)) mld ira
(33
y (5loim•
(35501/11
I
63(3)
I o5501/J1 12 (31(J(TD,6),0,0611 i(0)) (0)1(56)). A (0)0)1
6)J ((3T)
(3550551 18 (5001),6)o06fl ((15(0)) (0)1(5e63)6)(3301(08 B
wzIi
C) 36 B (0)(011
= 12 :
63Ch
15
=
30
z
((1(3(13<5
xn1oj
b) 30
C1) (3100
63006fl5) 4
=
5 sbrn
15
(333o(f3611J(TW•
(310J(TO
15
-.
18
10
-
X
X
=
6.
15 x 18 I I
10)om)Jo I 3)
ra•
A
x =
10363J1
n
aJ6mo?
1<5oo5
8
"&36
15
(310Jm)•
n4)0D0<0S
10
(110101)
(3o2o1/J1
I
00005
4))7))
0J6)(3
5)
0)S)((3)(05
4
63(D)
a) 4
b) 8 d) 10
10 (3nJ6)(b
m1a1& m6o6rrs)0 B 10
7. A 15 (5
4))<0) (3101
3
(15 5<
((3T()
6306fl
(kJ<5
(35501/Ji
0))))))
rog)L(0)
6)J0))
15
(15501/11 (5fl
= 5)
oj1 a1'3s;
o1<5o63)•. 0 018
,)s1
xyz XY + .VZ + XZ
r310JCfl3•6),0613
J)(5(0T0)1Co)306))a))) (35501/il
(3rJ<563)o
o1<5o15 C13
=
15 X lOX 5 150 + 50 + 75
6)J(Ul(0))
- 15 X 10 >0 5 275
(0)1056))?
= 15
(310J01)• I
8
--
15
1
X
—.
10
mra,oJhGriJaw6rs3oS 8 )()))
ral;.
6) 40 ((30,(/5 15 3101(31),63,0,0
j 6fl 6)J(0))0)) 63<3) (35506311 12 (51 x. 15 : 10 (1J(TU•6),06TT <0)1(36)6m6)(3301(13
r)I1p(11a)om,ID
4)f))
101
C 5 (563o6flra)
J0(501/h)1 30 (510J(11)6)0,0
6)0,36fl 1
(3QJ6n)
18 (51(i1(11), I
I 6301l1(0Z 6 (lnJ<5 ro5)($0) (510101)
C) 5
traosi1 (3)1,5
trao6
ymoco& 40 anjm,,611i oJrhapJ3
=
J)/5(010)1(0
051052i1636)Gfl)0?
8
O,u5O6 63(3) (35501531
I
55015J1 10 ralojm0
6113)• 6ThJCi(0))
M 63(0) (35501/11 6J0)) (0)16 . 31010 eoori3
8 Xx = 6 X 12 x = 6 X 12 =9
63(b,
50
i1Cm) 15 (3101(fl)630,0
6)o06115)o 6133)•
(30J6115<,.
50
31(16)06fl5)0 (15 5<
4) ((333(3?)) 63(3)
6),0,06fl
(0)Th0o b)
GiAM5
oc~i1 12 310Jo1)•630o6n5)• (0)1<5
mo:a)
iaooj(3&n
•
15
12 (5loiffu •&on
ISITh,?
B00
ri
15
Jo
06h1•. A MMISI a,rao
I
/0)(3?31(05 W)61151
x-' 12
6)D05
= 27 (5101m•
X
0)l(516ThJ(9)(t3) , xmw)((B1ra1)o(05 I
Lpml
310J0ru
6)006fl5) (0)1(506))632((11(08 B4 lOX X = 155<18
36)1P1) (0)30
oJ1
x = 12:
40:
T(o) (3oi)J1 30
B
rco, (5loJm •
933)(33)6)(3o06115 63(3) (333•(Th6flJ
,(f8
10 <510i(fl)
12 X x = 40 5< 15
15:10.18:x
011
000
= x: 12
3
(1J(5(fl
(3nJ(3)o
(31)63,06fl3)• 6/JC(3(0)' (0)1<5 (133(IJ<5 (3(335) J(5J)(5 I x
cflu• (/h)1o16)/s)(0)6m0.
6)J6')(0)0..
32
60 X6
J)ø)) MA6,00003
(3J(D)•)s1
6:8
m0oo 1
63(o) a(1o6311 15
2) A
6)361T4)
oM5w1o)
(11((3)ocn)(o(3)c033)1(1106335.
6 = x:
6Xx4X1
(5101(n)0 ()(136fl)o?
)L(
b) 25
ym
d) 21 61/20(111 6.J513i(3)) (0)1<5
4500 <
raao11 12 (31c1J
(36115)
((1T) (WaO(3J1
)m)0(38 (m3(3(0) Geneil 10
<5w1eçJ, ,o 6)Jw)(m(.
10X15 30 450 500 50
(11)o6,06fl3o 6J0))
<0)1<5
d)28
x
n1(5)m
((3T, (35503311 r4)1((1) (510J01),6),0,06fl . 6)J(di((()) (0)16063)? a) 6
(51ai(w0e,o
(J<5Cfl)
((((33•w601345
COAg sraoo5 cffiTI
o)o(3Y06fl
.ra01o6n5.
o• B)• (ioJ(501
A
=
D6013(th
oaara
C)26
(333Uh6T)J0I)6/3T3)o
0O)J(36333)
xyz
y
6x = 60
6111•.
JdMl(0)1(5a)s)).
CT)
C096fl.
1051m1o)2)6m0
i
1a1)
X n4)6)(TDS')(0)06)(0)
((3T0)/ho: c)
(13i1 (1)16
a) 27
• 6: 8 r/j
6: 8 = x: 12
(35503311
10
xyz
1) A 63(02 ooei1 6
1csJ)
(0)1(863)6)(3 i Lpmoo) aJrb)(3mio(m 6: 8 = 12
XY 7- sral0Jo1)63,o,o6n
- 108 24
(Soi(3)o (hoJ(501 (IJ1
=
5) 4:
-x
a,osm• 6, 8
63(3)
))0D)
1wn
o:a)
TU6),06fl
((13(/3
12
np
O6fl 531) (0))6)JJ(fl
63J33i(0))
,105 B (0)031
653113(0)) (0)1(806))6)0301(05
x
(0)1C&o06))o?
(133•(/3611i(IW0
B s• sJ(m 63/h) (3550(111
6),06T3
(310101)(306fl5)
6
4)
ni(1U1iO)
ø,
aoa ..
niou8 12
x+y
Z
-
= 36
nra• B
d> 10
G1fl)6)S
m agmraol GSQJO
=-
C,
125<18
605< 15 X= 12
I
0)10
C) 8
((133 U36flJ(TU)
)S1 (3SSOQfl mi
(((33(3(0) (3550151) y (310101),6),0,0
-
12 5< x =60 5< 15
12
051m(o:b) 15
,=3
(omcao: b)
ura
= x: 18
rasoe11 18
8
X (31(1/(1D63&,06T3
oT15)
-
663305 75 ()J(8 (3C)J6fl)o. 4)(11)
b) 9
c3n0)6)S
1 raloIm)•
(5)5 1/2
a•ua6nj
6)(b 611)o
10636 ?
x=2
b) 5
)3S
- 12 x 18
xz
,(J3
z=6
)r030<5 OJ)(0) (51010 6)((JS)(36))?
A 63(3) (35506311 X (310J(flJ6)06315)
1on
XY
x75
= 54 <510] ro
(31(m(0)).
36 36
-
-4)(fl)0(15 (16115)
= 4 1/2 (510101)•
(joio I 3)
60:x12:15
18 : 6
a) 6 8 (3J(806
aaniril 18 (5loj
ajnra
18 X
-.
60 ai<5
C
25<3 X 6
-
0008
j1i
6xx = 18X18 18 x 18 X = 6 -
6
8o0
oJ061-$.
o(1)1cn
6+18+12
wm)00:d)
c)4 1/2
45
60 : x, 15 : 12 I
0$0J1 ,1o8 8
XYZ
=
6 :)i(1Icn
a) 4
Ui&61)K1W6fl3u
= 18: X
ananJ3o6fl.
6m1/h1e636)
(35501(5)
-
T)1(
d
a5<
63D
xy+yz+zx
-
6)o061l5)o
=
18:6
<51aJm)
W1r31)0? b) 1
=
C: d
6 (al
6iU) (0)1(806)3(6 (3016115 (fl2•
mra2o
d) 18
18
6
16
raoa1
a) 11 J)m) 15
i<3 A 63o (3690?J1 6
12
m
636301
Jra0)oa8 6)&0611
as• B
15
-
63()
(11jnoJo
3 ha ix)jo Co
ms
X+y
E53
C) 50
c3(m3)1 j cyacjmom 6r J3oa16i J)6flXfl/5J S663
CT8ffl
jmxhJ0 oJ6m•. )((31)
xy
10+
a: b
(63(5<5
0la3 63J
)110() (0)1(0630(15 (1(1J6fl
= 10
aosi1
6363
aoo5
d) 6 =•
b) 54
oJo11j
036
(838)(o: b)
b) 121/2
C) S
a) 36
3fl3ST3)
3 3/7 (3]cj
(M)
3j) (3100r3)= 4)sO6)? a) 8
-
x
15 5< 30
''
fl43• 630QihJ
aoci1 6mJ(Qia3)
15+30
-
__
(31Mm/0i• n4)S
4)1c5
03)o.
60
I
,S63.2ffli m
6mA
31oJm)c)J•
10
aai1 6
x=8
----
15 X 30
r3lOJCrU0
26)S
aopfl
6363
18
I
y = 15 (33(6
thU3
6
1200
x
r
Xy
x+y
2)
10
o: (D)
120+150+80
4 ahirn
d) 12
I
15 gl()I(n),
+
XY +
6+12
72 18
c 20
m
~y = 10
6X12
-
mlool
18
= 48
18
-
15
018@e: a)
X=6
= 60
1L!P_
FA
-
=
XYZ
6)1Jd(
'=
x
Xy x+y -
32 5<15 10
x
XY
i
10-6
a) 4
(343Ph1
B
1)3.
= 10:15
1(3 ooJGna ffucawo
10
86
C) 3 1/3
aoc) GIUD (
B
—
)1/Bac)•? Q9(UITho:
60 JT&,(J& 15
n436)(8),l
O6fl 32:x
J
o:a) 061
B csIi 639dad oIAjia
(flX)J
8
6196
:A~(Ml 0.1660 %)Sl aeai1 6ThJ I iIt 18oc,3 0016TTa (MzrDo
n)1c6)3cm. 63(
A
6)So
(fl)J)o 6T33o
*3
ocsi1
d3,1
(li161S
s1i
=
DP6Tt. 6fl13
1OXx = 32X15
jucm)1.
-
c?nacw
(O,S1 0J(SCfl) c)L() (31oJ1u 6)036fl (Tj 03li1 JO
6914 GamoaOI S1 m1o06m.
(b) 16
(C) 4
1C)JCfl)6aT3(J3
j3
cc)16m,.
ojlosn . lo oilamalm)macnnio
•
-
oa3fl
i13 8 c,O
o66111(TU)0
-
u0e,n
1000a3 12 /nJ
naua6nJ
()o
S86)?
c)1C3dG)
nauani
f3lmnV6M3u3
oi1 B 63qdad
0)0.0(b.Q1$1.Q)3W(b
10
1c
cnD• -32:x
A
63)6) 10 rbjcn
(9a()16)1
C66
x12
o3
MATHS FOCUS
OJ6T1)o.
i B dad (1b()16i I
8 x 15 T
X
15
32
=3661rJcro oao: c)
a3I1 rj(3O1))1
63(
was)o(4 15 (31oJ(Tu
10Xx8X15
d)47 ()OJCfl)a
y18
7) A
8:x10:15
b)42
C) 25
x=12
laP
6fl).
J6fl)?
a)48
((Ja6flJ(TU)
63
nJ1C/O6)()J3(l3
n4)
18-12
361
(1T
36T
3l?i1 _12X1
-
(1/Jcfl)o
10
--
((-,J6)O
)S)(0)(35
mls?)1
y = 10 I Z=5 - 30 -
(3)J15i1