iz'u cSad xf.kr
iz'u cSad xf.kr iz'u cSad xf.kr
nh?kZ mRrjh iz'uLong Answer type questionsilan djrk gSA crkb, fd fdrus fo|kFkhZ fØdsV vkSj QqVcky nksuks[ksy ilan djrs gSA∉∪∩or ∈In a class of 40 students, 25 like cricket and 15 football. A student like atleast one of the games. How many students like both the games i.e.cricket and football ?13- lgh izrhdls fjDr LFkku Hkfj,&(i) 8 ........ B (ii) 17 ........ B(iii) r ........ A (iv) a ........ A(v) 21 ........ B (vi) 12 ........ AFill in blanks by(i) 8 ........ B (ii) 17 ........ B(iii) r ........ A (iv) a ........ A(v) 21 ........ B (vi) 12 ........ A14- 40 fo|kfFkZ;ksa dh ,d d{kk esa 25 fo|kFkhZ fdØsV [ksyuk ilan djrs gSvkSj 15 QqVcky A izR;sd fo|kFkhZ] nksuks esa ls ,d [ksy vo'; [ksyuk15- ;fn A vkSj B nks ,sls leqPp; gks fd n(A) = 17, n(B) = 23 vkSjn(A B) = 35 rks n (A B) dk eku Kkr dhft, AIf A and B are two sets such that n(A) = 17, n(B) = 23 and n(A B)=35then find n (A B)(19)
T ds 11T has 11∪∩n A( ∪∩A∩BB)16- ;fn A vkSj B nks ,sls leqPp; gks fd A ds 12 B ds 17 vkSj A B ds 21vo;o gS rks crkb, fd A B ds fdrus vo;o gSa \A and B are two sets such that A has 12 elements, B has 17 A B and has21 elements. Find the number of elements in A B ?17- ;fn S vkSj T ,sls nks leqPp; gks fd S ds 21 T ds 32 vkSj Svo;o gS rks crkb, fd S T ds fdrus vo;o gS \IF S and T are two sets such that S has 21, T has 32 and Selements, find the numbers of elements in S U T ?18- ;fn X vkSj Y ,sls nks leqPp; gks fd X ds 40 X U Y T ds 60 vkSj X Yds 10 vo;o gS A rks crkb, fd Y ds fdrus vo;o gSa \IF X and Y are two sets such that X has 40, has 60 and X Yhas 10elements. Find the number of elements of Y ?19- ;fn A vkSj B ,sls nks vla;qDr leqPP; gSa] rks fl) dhft, fdn (A B) = n(A)+n(B)[ladsrn (A B) = 0]If A and B are two disjoint sets, then prove thatn (A B) = n(A)+n(B)[Hint : n (A B) = 0]20. ;fn A vkSj B ,sls nks leqPp; gksa fd n (A) = 17, n (B) = 23 vkSj n(AUB) = 35 gksa] rks dk eku Kkr dhft,AIf A and B are two sets such that n (A) = 17, n (B) = 23, n (AUB) = 35,find in .21. ;fn A vkSj B ,sls nks leqPp; gkas fd A ds 12, ds 17 vkSjgSa] rks crkb, fdds fdrus vo;o gSa \ds 21 vo;o(20)
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- Page 58 and 59: Factorise each of the following:(a)
- Page 60 and 61: 14. fuEufyf[kr O;atdksa dk xq.ku[ka
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nh?kZ mRrjh <strong>iz'u</strong>Long Answer type questionsilan djrk gSA crkb, fd fdrus fo|kFkhZ fØdsV vkSj QqVcky nksuks[ksy ilan djrs gSA∉∪∩or ∈In a class of 40 students, 25 like cricket and 15 football. A student like atleast one of the games. How many students like both the games i.e.cricket and football ?13- lgh izrhdls fjDr LFkku Hkfj,&(i) 8 ........ B (ii) 17 ........ B(iii) r ........ A (iv) a ........ A(v) 21 ........ B (vi) 12 ........ AFill in blanks by(i) 8 ........ B (ii) 17 ........ B(iii) r ........ A (iv) a ........ A(v) 21 ........ B (vi) 12 ........ A14- 40 fo|kfFkZ;ksa dh ,d d{kk esa 25 fo|kFkhZ fdØsV [ksyuk ilan djrs gSvkSj 15 QqVcky A izR;sd fo|kFkhZ] nksuks esa ls ,d [ksy vo'; [ksyuk15- ;fn A vkSj B nks ,sls leqPp; gks fd n(A) = 17, n(B) = 23 vkSjn(A B) = 35 rks n (A B) dk eku K<strong>kr</strong> dhft, AIf A and B are two sets such that n(A) = 17, n(B) = 23 and n(A B)=35then find n (A B)(19)
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