Page 26 - Grade 10 C.Math

PsfO 3
rj|mLo Aofh (Compound Interest)

3.0 k'g/fjnf]sg (Review)
Curriculum Development Centre
tnsf k|Zgx¿sf] pTt/ lbg'xf];\ M

-s_ ;fwf/0f Aofh eg]sf] s] xf] <
-v_ P, T, R, I n] s] s] hgfpF5g\ < ltgLx¿sf] ;DaGwnfO{ ;"qsf] ¿kdf n]Vg'xf];\ .

-u_ ld>wg / d"nwgdf s] km/s 5 < ld>wg lgsfNg] ;"q n]Vg'xf];\ .

dflysf k|Zgx¿sf] pTt/sf cfwf/df tnsf -b'O{ cf]6f_ ;d:ofx¿sf] ;d"xdf 5nkmn u/L
lgisif{ kTtf nufpg'xf];\ .

ljlkgn] Ps hgf JolStaf6 ljkgfn] s[lif ljsf; a}ª\saf6 jflif{s 10% Aofhb/df
jflif{s 10% Aofhb/df 2 jif{sf 2 jif{sf nflu jflif{s Aofh u0fgf ug]{ u/L ?= 5000 C0f
nflu ?= 5000 C0f lnP eg] lnOg\ / pgn] klxnf] jif{sf] Aofhsf] ;d]t bf];|f] jif{df

b'O{ jif{kl5 pgn] slt Aofh Aofh ltg{kg]{ u/L C0f lnFbf 2 jif{kl5 hDdf slt Aofh
ltg'{knf{ < ltg'{knf{ <
dflysf] klxnf] ;d:of ;fwf/0f Aofhsf] ;d:of xf] h;df Aofh Psd':6 ¿kdf bf];|f] jif{sf]

cGTodf u0fgf u/]/ ltl/G5 . o;sf af/]df xfdLn] sIff 8 df cWoog ul/;s]sf 5f} . bf];|f]
;d:ofdf Aofh k|To]s jif{df u0fgf ul/G5 / d"nwgdf hf]l8G5 . o;nfO{ rj|mLo Aofh
elgG5 . ca xfdL o;sf] af/]df cWoog ub{5f} .

3.1 rj|mLo Aofh (Compound Interest)
dflysf] bf];|f] ;d:ofdf ljkgfn] lnPsf] C0f ?= 5000 xf] . h;sf] 10% Aofhb/df 1 jif{sf] Aofh
slt xf]nf x]/f}F .

ljkgfsf] klxnf] jif{sf] Aofh = ?= 500 eof]

bf];|f] jif{sf nflu ljkgfsf] d"nwg (P ) = P + I = 5000 + 500= ? 5500 x'G5 .
1

t;y{, bf];|f] jif{sf] Aofh (I )= = ? 550 xG5 .
1
To; sf/0f ljkgfn] ltg'{kg]{ rj|mLo Aofh = I + I = 500 + 550 = ?= 1050
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23 ul0ft, sIff – 10