Page 42 - Grade 10 C.Math

(c) 3 jif{cufl8 3,75,000 hg;ª\Vof ePsf] Pp6f lhNnfsf] jflif{s hg;ª\Vof j[b\lwb/ 2%
5 . olb bf];|f] jif{sf] cGTodf 1480 hgf dflg; a;fO ;/fOF u/]/ cfP / k|fs[lts k|sf]ksf
sf/0f 2750 hgfsf] d[To' eof] eg] pSt lhNnfsf] xfnsf] hg;ª\Vof kTtf nufpg'xf];\ .

6. rf/ rf/ hgfsf] ;d"x lgdf{0f u/L k|To]s ;d"xn] cfˆgf] j8fsf ljleGg 6f]nx¿sf] e|d0f
u/L clxn]sf] hg;ª\Vof ;ª\sng ug'{xf];\ . ufpFkflnsf jf j8f sfof{noaf6 jf cGo
Curriculum Development Centre
lstfa tyf :dfl/sfx¿ k|of]u u/L 2068 ;fnsf] hg u0fgfaf6 k|fKt tYofª\ssf] l6kf]6
u/L cfˆgf] j8fsf] jflif{s hg;ª\Vof j[b\lwb/ kTtf nufpg'xf];\ .

4.2 ld>x|f; (Compound Deprecia on)
tnsf pbfx/0fx¿sf] cWoog u/L ;d"xdf 5nkmn ug'{xf];\ M

-s_ sdnn] Pp6f df]6/;fOsn 2 jif{cufl8 ?= 1,60,000 df lsg]/ clxn] ?= 1,10,000 df
laj|mL u/] eg] d"Nodf lsg km/s eof] xf]nf <

-v_ Pp6f Nofk6knfO{ ;]s]G8x]G8 k;naf6 vl/b ubf{ gofFsf] eGbf ?= 10,000 ;:tf]df vl/b
ug{ kfOof], lsg <

-u_ Pp6f lk|lG6ª d]l;g s]xL jif{cufl8 ?= 3,40,000 df lslgPsf] lyof] . o;sf] xfnsf] laj|mL
d"No ?= 2,20,000 5, lsg <
dflysf] -s_ df Pp6f df]6/;fOnsf] d"No 60,000 n] 36]sf] 5 . To:t} -v_ df ;]s]G8x]G8
k;ndf vl/b ubf{ s'g} j:t'sf] d"No s]xL k|ltzt 36fP/ kfOg] s'/f yfxf eof] . -u_ df d]l;gsf]
k|of]ukl5 d"No sd x'G5 eGg] b]vfpg vf]lhPsf] 5 .

o;/L dflysf ;a} pbfx/0fx¿af6 s] yfxf x'G5 eg] s'g} ;fdu|L lglZrt cjlwsf nflu tof/
ul/Psf] x'G5 . o;sf] Ifdtf klg ;~rfng cjlw a9\b} hfFbf j|mdzM sd x'Fb} hfG5 . t;y{ s'g}
klg d]l;g/L ;fdu|Lx¿sf] k|of]ukl5 lglZrt b/df ltgLx¿sf] d"Nodf lu/fj6 cfpF5 . o;nfO{
g} d"Nodf ePsf] x|f; elgG5 . o;/L s'g} lglZrt ;do cjlwdf 36]sf] d"NonfO{ ld>x|f;
(Compound deprecia on) elgG5 .

olb, V = ;'?sf] d"No (ini al value), R% = x|f;b/, T = ;do cjlw -jif{df_

0
V = T ;dokl5sf] d"No (value a er T years) ePdf x'G5 / x|f; ePsf]

T
d"No V = V – V
D T 0

39 ul0ft, sIff – 10