Page 45 - Grade 10 C.Math

;dfwfg
oxfF, 11:00 am df efO/;sf] ;ª\Vof V = 2.3× 10 7
0
eO/; sd x'g] b/ (R) = 5% k|lt306f

;do (T) = 11:00 b]lv 1:00 pm ;Dd = 2 306f
Curriculum Development Centre
V = ?
2

cyjf,

cyjf, V

7
=2.076 × 10

ctM 1:00 pm df efO/;sf] ;ª\Vof =2.076 × 10 afFsL /xG5 .
7

cEof; 4.2

1.(a) Pp6f df]6/;fOsnsf] xfnsf] d"No ?= 1,25,000 5, olb pSt df]6/;fOsnsf] d"No 4%
k|ltjif{sf b/n] 36\b} hfG5 eg] 3 jif{kl5 o;sf] d"No slt xf]nf <
(b) Pp6f d]l;gsf] xfnsf] d"No ?= 90,000 5 . pSt d]l;gsf] d"No 10% k|ltjif{sf b/n] 36\b}
hfG5 eg] 2 jif{kl5 pSt d]l;gsf] d"No slt xf]nf <

(c) Pp6f kmfOgfG; sDkgLsf] ;]o/sf] d"Nodf nuftf/ 2 jif{;Dd 10% ld>x|f;sf b/n] sdL
cfPkl5 sf]lknfn] s]xL ;]o/ ?= 2430 df laj|mL ul/g\ eg] pgn] ?= 100 b/sf slt cf]6f
;]o/x¿ laj|mL ul/g\ < kTtf nufpg'xf];\ .

(d) Pp6f sDkgLn] 3 jif{cufl8 ?= 2,80,000 df 5 /f]kgL hUuf vl/b u¥of] . b]zsf] /fhgLlts
t/ntfsf] l:yltn] ubf{ pSt hUufsf] d"No 36\g uof] . olb pSt hUufsf] d"No 5% k|ltjif{
ld>x|f; b/df 36\b} uPsf] eP clxn] k|lt/f]kgL ;f] hUufsf] d"No slt xf]nf <
(e) k'mjf{n] ?= 7,20,000 df Pp6f 6\ofS6/ lsg] . pgn] 3 jif{df ?= 2,20,000 cfDbfgL u/] / 3
jif{kl5 10% k|ltjif{ ld>x|f; b/n] d"No lgwf{/0f u/L laj|mL u/] eg] pgnfO{ slt gfkmf jf
gf]S;fg eof] xf]nf < kTtf nufpg'xf];\ .

42 ul0ft, sIff – 10