18' o o úg ljr f,i m%ldY l, yelso@lg 2 = x lg 3 = y lg 12

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ne.ska jeä l< fyd;a Odß;dkh jeä ùu fldmuKo@

' 78 ' 153 ' 231 ' 384 ' 400

20' È. 20 jQ lïì lene,a,la folg lmd iup;=ri% folla iod .kakd ,È' fuu iup;=ri%

fofla j¾.M,h 25 kï" lemQ lïì len,s fofla È. fidhkak'

' 18" 10 ' 8"20 ' 12" 16 ' 9" 25 ' 13" 15

21' k.r fol w;r ÿr fõ' k.rfhka iuka mdmeÈhl msg;aj k.rhg

meñfka' k.rfhka iuka msg;ajkjd;a iu.u k.rfhka lu,a h;=re meÈhl ke.S

iuka yuq jQ jydu kej; fj; meñk wdmiq yeÍ kej; iuka yuq ùug hhs' Tyq yuq jQ

jydu kej; wmiq yeÍ fj; meñfka' fuu l%shdj wlkavj lu,a isÿ lf,a kï iuka

fj; meñfkk úg lu,a .uka lr we;s ÿr jkqfha "

mdmeÈfha fõ.h 20 jk w;r h;=re meÈfha fõ.h fõ'

' 40 ' 70 ' 80 ' 100 ' 140

22' tla;rd iúÈ nyq wi%hl wNHka;r fldaKhl w.h 150 fõ' ty mdo .Kk lSho@

' 3 ' 6 ' 9 ' 12 ' 15

23' uu ,Õ we;s uqo,g jvd u,a,S ,Õ we;s uqo, fo.=khlg jvd re' 7 la jeäh' wm

fofokd ,Õ we;s uqof,a fo.=kh 314 la fõ kï uu yd u,a,S ,Õ we;s uqo,a ms<sfj,ska re"

' 50" 107 ' 107" 50 ' 214" 100 ' 100" 214 ' 114" 200

24' iu mdo ;%sfldaKhl mdohl È. fi( ñ( 10 ls' ;s%fldaKfha j¾.:,h j¾. fi( ñ( j,ska

lSAho@'

' 30 ' 25 ' 25 3 ' 60 ' 100

25' my; ±fjk tAjdhska l=,lhla jkqfha"

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ksjerÈ uÕ fmkaùu"W;aiyh yd Wkkaÿj;=,ska''''

.‚;fha ixl,am"

.‚;fha udj; -±k .kak" ±l .kakW;aiyjka;Tn tkak'''''

iqkaor jQ .‚;fhawiajekak ,efnkqksh;h''''

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ksjerÈ uÕ fmkaùu"W;aiyh yd Wkkaÿj;=,ska''''

.‚;fha ixl,am"

.‚;fha udj; -±k .kak" ±l .kakW;aiyjka;Tn tkak'''''

iqkaor jQ .‚;fhawiajekak ,efnkqksh;h''''

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ksjerÈ uÕ fmkaùu"W;aiyh yd Wkkaÿj;=,ska''''

.‚;fha ixl,am"

.‚;fha udj; -±k .kak" ±l .kakW;aiyjka;Tn tkak'''''

iqkaor jQ .‚;fhawiajekak ,efnkqksh;h''''

BSc. (Physical - Kelaniya)BSc. (Physical - Kelaniya)(Pure Mathematics / Statistics & Computer Science / Chemistry)(Pure Mathematics / Statistics & Computer Science / Chemistry)

TeL: 071-6341436 / 078-6050650 / E-Mail: aselaniss@yahoo.comTeL: 071-6341436 / 078-6050650 / E-Mail: aselaniss@yahoo.com

BSc. (Physical - Kelaniya)(Pure Mathematics / Statistics & Computer Science / Chemistry)

TeL: 071-6341436 / 078-6050650 / E-Mail: aselaniss@yahoo.com

08'olajd we;s iup;=ri%fha me;a;l È. 7 kï

jD;a;fha w÷re lr we;s fldgfia j¾.M,h lSho@

09' tla;rd Rcq fldaKS ;%sfldaKhl fldaKfha w.h } 5$12 fõ' fuys

ys w.h jkqfha"

10' j¾. iólrKfha uQ, jkqfha"

cm

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¸ 12$5 ¸¸ 12$13 ¸¸¸ 13$12 ¸¹ 13$5 ¹ 5$13

¸ -4 fyda 4 ¸¸ 4 fyda 0 ¸¸¸ -4 fyda 0 ¸¹ 4 fyda 4 ¹ 4 mu‚

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¸ 2 ¸¸ 3 ¸¸¸ 5 ¸¹ 6 ¹ 12

¸ 3 ¸¸ 5 ¸¸¸ 8 ¸¹ 13 ¹ 20

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15' ir< f¾Ldfõ wkql%ukh yd wka;#Lkavh ms,sfj<ska olajd we;af;a@

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03' msfhla ;u mq;=ka fofokd w;r re' 6000 la fnod ÿkafka f;jeks mq;dg re' 100 ,efnk

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04' lvhl lsß melÜ 400g yd 500g melÜ f,i we;' lvfha lsß melÜ 11 l lsß 5 úks

kï 400g yd 500g melÜ .Kk ms<sfj,ska olajd we;af;a"

05' tAldldrj .,k .Õl by,g fndaÜgqjlg ls(ó( 2l ÿrla hdug meh 03la o tu ÿr kej;

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06' tlu ÈYdjg .uka lrk ldrhla g%la r:hla Wfoa 8'00 g biair lrhs' ldrfha fõ.h

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ieliqu( wfia, ksYaYxlBSc. (Maths-Kelaniya)

.e,fmk ms<s;=r f;darkak'

wñysß jQ .‚;fha iqkaor;ajh" Wkkaÿfjka olskak''''' tkak - .‚;h iqkaorhs 1 .‚;h lKavdhï yd ;ks mka;s i|yd úuiSï 071-63 414 36 $ 078-60 50 650

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