homework Ans: b)2only: explanation: statement 1 wrong coz if 1 letter goes wrong in wrong envelope then that envelope letter will also go wrong in some another wrong envelope dat means not exactly 1 but 2 letter will go in wrong envelope. 2nd statement Right coz 4 envelope & 2 letters combination so 4C2= 6 also if letters are L1 L2 L3 L4 then cases will be (L1 L2) (L1 L3) ( L1 L4) (L2 L3) (L2 L4) (L3 L4) only 6 ways possible (L2 L1)lyk dat reverse not possible coz its combination & not permutation ,here order of arrangment doesn't matter as sir give ex of ab only & not ba. coz they both r same=1 in combination. so statement 1 wrong & statement 2 Correct so Ans= B) 2 only only 2nd statement Correct
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For Q9: (1) Even if one letter get placed into incorrect envelope, then it would impact other too. So, NOT EXACTLY ONE. Let 1,2,3,4 be letters and A,B,C,D be envelopes. If 2 gets with A then it would also impact 1 which would have gone with A. (2) 4C4=6 Satisfies second condition. Ans: 2 only
One wrong letter disturbed two right address. (a is wrong) For 4 L we also only have 4E going to correct address... So from 4 correct E we have to select 2 correctly matching i.e 4C2 = 6 ways (b is correct) Sir please correct us if we are understanding something wrong. Your teaching and approach towards Q is helping us a lot. Thank you sir🙏🙏🙏
@@ankitamondal7048 try to solve it in practical basis. jese sari condition L1-E1 correct ho toh more than one incorrect jani ki sambhvna h kyunki one pairs khrab hua toh two losses hoga
mmh its tricky one to explain in comment but hope ill do ...mana same condition correct h e.g. L1-E1 so theres more than one possibility jo.incorrect hongi
Thank you sir. But I have a doubt in Q6. why did you select N =3 , according to the question N is equal to 5 , isn't it ? Can anyone help me with that ?
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homework Ans: b)2only: explanation: statement 1 wrong coz if 1 letter goes wrong in wrong envelope then that envelope letter will also go wrong in some another wrong envelope dat means not exactly 1 but 2 letter will go in wrong envelope.
2nd statement Right coz 4 envelope & 2 letters combination so 4C2= 6 also if letters are L1 L2 L3 L4 then cases will be (L1 L2) (L1 L3) ( L1 L4) (L2 L3) (L2 L4) (L3 L4) only 6 ways possible (L2 L1)lyk dat reverse not possible coz its combination & not permutation ,here order of arrangment doesn't matter as sir give ex of ab only & not ba. coz they both r same=1 in combination.
so statement 1 wrong & statement 2 Correct so Ans= B) 2 only only 2nd statement Correct
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Sir.....
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You are great sir. Your CSAT teaching is best. Long live nd teach millions of students. Heartfelt respect for u.
Definitely apke teach kare huve formulae exam me helpful honge. Respect fa u🙏
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For Q9:
(1) Even if one letter get placed into incorrect envelope, then it would impact other too. So, NOT EXACTLY ONE.
Let 1,2,3,4 be letters and A,B,C,D be envelopes. If 2 gets with A then it would also impact 1 which would have gone with A.
(2) 4C4=6
Satisfies second condition.
Ans: 2 only
4C4=1 na?
4Ç2
Yes only 2 correct
Sir aap jaise teacher agr school m mile hote to maths m 100/100 aate 😊
Nice lecture❤
Homework - option B
Nice work sir
Learning 💯
Part 4 👏👏
Thanks...
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sir i am so happy i am able to solve these questions
thank uh sir...
Nice videos ❤
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Best sir
One wrong letter disturbed two right address. (a is wrong)
For 4 L we also only have 4E going to correct address...
So from 4 correct E we have to select 2 correctly matching i.e 4C2 = 6 ways (b is correct)
Sir please correct us if we are understanding something wrong.
Your teaching and approach towards Q is helping us a lot.
Thank you sir🙏🙏🙏
Question number 9 solve ho gya sir 👏
Ap ke nam ki tarah hi intelligent hai ap
Wow
thq sir
thanks sir
ans : b) 2 only ... solved
Jai gurudev
Sir, I could do the 9th question easily. Thank you so much❤❤I hope you get everything in life🤌🏻
Can you explain how??
@@ankitamondal7048 try to solve it in practical basis. jese sari condition L1-E1 correct ho toh more than one incorrect jani ki sambhvna h kyunki one pairs khrab hua toh two losses hoga
Thnks sir
🔥🔥🔥🔥🔥🔥
Without formulq solve kijiye
Sir next class me homework solve bhi ker dijiye sir if possible. BTW Thanku sir thanku so much..
Solve hoga homework question
Sir 9th Question smjha dijiye
mmh its tricky one to explain in comment but hope ill do ...mana same condition correct h e.g. L1-E1 so theres more than one possibility jo.incorrect hongi
Nice
Sir question niche likawa Diya kro and stament ke words thoda bada hona chiye
Thank you sir. But I have a doubt in Q6. why did you select N =3 , according to the question N is equal to 5 , isn't it ? Can anyone help me with that ?
N=3 for men
N= 2 for women
N = 4 for children as given in question and 5 is numbers of person that you have to select.
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9 number samgha dijiye
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B
it is to good
Vishnu Dutt sir zindabaad
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Sir combination aur cyclic permutation same same hai kya??
no
Sir question ka matlab v samjha Diya karye plzzz English samajh nhi aata he isliye answer v wrong ho jata he
👍
I think there was an arithmetic mistake in question number 5.
The right answer should be 91.
Anyone please correct me if I'm wrong
There is no any arithmetic mistake in question no 5....181 is a right ans
Sir yaha to solve ho jata h but bad me solve nhi hota plzz helpp
Homework solved only 2 is correct
🙏😊♥️
b.