Class 11th Maths Chapter 6 | Miscellaneous Examples | Example 20 to 24 | NCERT

This video includes a detailed explanation of miscellaneous examples 20 to 24.

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If you want to view a particular example then click on the respective time stamps given below.
Time Stamps:
Example 20 : 00:00:00
Example 21 : 00:06:12
Example 22 : 00:15:15
Example 23 : 00:21:28
Example 24 : 00:26:00

Class 11th Maths Permutations and Combinations

#permutationandcombination #class11 #mathematics #class11maths #class11mathschapter6 #ignitedminds

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[pankajkumar-oskj]

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[Ryugarhf]

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[Priyank]

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[Freefiremax-xi]

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[artandcraft]

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[Khushi_-bk]

5:43 mam aap toh bol rhi thhi ki order important nahi hai toh fir factorial 5 se kyu multiply karenge???

[ramanravish]

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[XploreWithZach]

The Third part of the question number 21@ 30:00 can also be solved as
Total number of combinations 11C5 - No girl 7C5 = 441
Thanks for you explanation Maam huge respect for repeating all the concepts at every question even if they repeat after every question, it helps a lot

[pujaverma]

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[umesharts]

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[Rishukashyap-ojwv]

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[anshumansingh-dpjr]

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[naitiksr]

15:00 mam 3rd part m 5 girls and no boys wali cond bhi to ani chahiye

[ashaashasonisoni]

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[priyanshuchouhan]

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[HarshDadwal-mt]

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Ek din 11th ka ek din 12th ka ..
Aap to 11 ko hi pdha rhe ho bs..

[pratiksingh]

Mam yrr u always
save us in Last moment.... Thank u so much mammm❤😊

[sehrishshamim]

Ma'am please post miscellaneous exercise of this ch asap

[SIMON_RILEY_skullface]

Ma'am I have a query please I need help...

Why we cannot get the right answer in this way when we are using the permutation formulae:-

Since we have to take 3 vowels out of 4 and 2 consonants out of 4:-

4P3×4P2

This gives us 288 which is obviously wrong, I want to know the actual reason why this formula fails in this question because in every word making type question we use permutation but why it fails here, What's the difference between the questions where we use permutation formulae to find the number of words and this type of question...

[SIMON_RILEY_skullface]

I have a query, why we didn't use permutation formula in first question why it is giving a different answer.... I mean in case of words we know that order is important then why we didn't use the permutation formula, and why it is giving the wrong answer...




I tried this method:- since we have to take 3 vowels from 4 and 2 consonants from 4...

4P3 × 4P2
=288

But the answer in the boom is 2880 why my method is wrong I want to know it intuitively...someone please help me..