Page 4 - Grade 10 C.Math
P. 4
PsfO 1
;d"x (Sets)
1.0. k'g/fjnf]sg (Review)
Curriculum Development Centre
tn lbOPsf ljifo j:t'x¿ ;d"xdf 5nkmn ug'{xf];\ M
-s_ ;d"xsf] kl/efiff / k|sf/x¿
-v_ ;d"xx¿sf] ;+of]hg tyf k|ltR5]bg
-u_ ;d"xsf] k"/s tyf ;d"xx¿sf] km/s
-3_ e]glrq
-ª_ ;d"xsf] u0fgfTdstf
;a} ;d"xx¿sf] lgisif{nfO{ kfn}kfnf] sIffsf]7fdf k|:t't ug'{xf];\ .
dflysf ljifo j:t'x¿sf af/]df xfdLn] cluNnf sIffx¿df cWoog ul/;s]sf 5f}F . ca xfdL
e]glrqsf] k|of]u u/L ;d"x ;DaGwL zflAbs ;d:ofx¿sf] ;dfwfg s;/L ug]{ eGg] af/] cWoog
ub{5f}F .
1.1 b'O{ cf]6f ;d"xx¿ ;lDdlnt zflAbs ;d:ofx¿
(Problems Including Two Sets)
tn lbOPsf b'O{ cf]6f e]glrqx¿sf] cjnf]sg ug'{xf];\ / ljleGg efux¿sf] l6kf]6 ug'{xf];\ M
A B U A B U
3 6 7 1 2
9 12 14 3 4 7
15 21 8
28 5
lrq -s_ lrq -v_
dflysf] lrq -s_ df ;j{Jofks ;d"x U sf pk;d"xx¿ A / B cfk;df cnlUuPsf ;d"xx¿
x'g\ . ;d"x A B df /xg] ;b:ox¿sf] ;ª\Vof ;d"\\\x A / ;d"x B sf ;b:ox¿sf] ;ª\Vofsf]
of]ukmn;Fu a/fa/ x'G5 . t;y{ n(A B) = n (A) + n(B) x'G5 .
To;} u/L e]glrq -v_ df A / B cfk;df vlK6Psf ;d"xx¿ x'g\, hxfF n(A B) / n(A) + n(B)
sf] dfg a/fa/ x'Fb}g, lsg <
1 ul0ft, sIff – 10