Suppose A1A2 A30 are thirty sets Question 29 NCERT Exemplar Class 11 Chapter 1 Sets

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Suppose A1A2 A30 are thirty sets. Suppose A1 A2 ... A30 are Thirty Sets Question 29 NCERT Exemplar Class 11 Chapter 1 Sets. Suppose A1,A2,…,A30 are thirty sets each having 5 elements and B1,B2,…,Bn are n sets each with 3 elements. Let A1UA2U…UA30=B1UB2…Ubn=S and each element of S belongs to exactly 10 of the Ai’s and exactly 9 of the Bj’s then n is equal.
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Thanks sir you helped me a lot i am serching this question from lat 1 day but could not understand all just used formulas but ypu explained it ver well thanks sir

arpitpaliwal
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abhishekparida
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Sir kuchh bhi padhare samay background music my chalo is se disturbance create hota hai

we
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very beautifully explained . thank you so so much sir

pavithrabalaji
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waah sir great. aaj samajh paaye ye kyun huaa tha

satyendrashukla
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Sir nice explanation but plz remove music we can not concentrate prperly

abhimanyuthapliyal
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bansalji
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prajapatipc
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Sir music thoda jyada ho gya sir...phirbhi tq for the video

ashishnallana
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This question was irritating me from the last week😅.
Thank you sir now my doubt is cleared..

subratakumaradak
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sir u r amazing u know that in which part students get confused and u particularly explained that part only and after watching ur explanation i got to know that what the question is trying to say us

vaidikshah
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mrityunjayahiremath
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Please do something of that background music, I am unable to focus on what you are explaining

ArvindKumar-udkx
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From 3 days I was looking for such explaination and I got it today .... Thank u sir

parthshrivastava
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Now, I am fully expert in such questions, thanks sir

mythbluster
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chessnoob
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After all my doubt has been cleared thank u

kinshukde
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Awsm solution, perhaps the best solution to this problem ever !!

jagdambaenterprises
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thank you soo much sir.... you explained it soo well!!!

vanitayadav
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sir, background music mt rakha kro thanks

kkoli