19:26 Sir in the questions where we have to pick balls without replacement from a bag of 20 balls we have to find the minimum number so rather than doing 8+7+1=16 Can't we do 7+5+1=13 As in the question they have not mentioned the sequence so this will be the smallest number.
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Sir in the tea and coffee question can we use combination instead of factorial like 9C6 (for 6 coffee out of 9 cups)- 3 (for tea in 3 rows)=84-3=81 I want to know that this is the also right way or not ?
Mera bhi 3 attempt kharab ho gaya h csat ki wajh se.... Or ab es baar bhi cast ka hi dar lag raha h.... Agar es baar clear Nahi hua to m chhod du ga upsc.
Be Positive Sandeep ... If u watch our video and understand the concept... you can clear the csat paper easily ... understanding concept is very important to clear csat ... do daily practice and attempt mock test ...
Hello Vishwesh ... As per question atleast 3 denomination so we took 5C3 from where u got 5C2 ... Please watch video carefully if facing issue plz mention both timestamp and question
Sir in the chessboard ques, why did you not take adjacent diagonals which had 7 and 6 consequetive squares respectively. Also while counting the diagonals along the straight line , shouldn't we consider the diagonals from both ends of the straight line.
Sir please explain it,,,, There are 10 stations in the railway between two places A and B. If 4 more stations are added then how many types of new tickets will be required, if one ticket is issued for each one-way journey?
Hello @Kolluri upender ... Thanks for your comment .. We published one video on number system and other part will get posted soon ... Plz share videos with ur frnds also 🙏😀
Thankyou so much sir for this much clarity. And boosting our confidence in csat❤ …Sir, i have a doubt in the numberic lock -3digit pin question. As the questions says ..any two digits in the PIN differ by atleast two..then why cant we write 764…as there is a clear difference of 2 b/w any two digits i.e 6 and 4.
Uska answer 6 ayega not 10 becoz Atleast do digit distance ho chaiye .. To...5 3 1 6 31 7 3 1 If we will be put it on second place 4 digit 6 4 1 741 Agr ham 5 ko second sthan pr lete hain to ... ( 3)7-(4 )5 - 1 ayega Total 6 ways hogye 3 ko teen bar ,4, ko do bar.... 5 ko ekk bar second sthan pr rakha Total is 6 ways.. enough
If girls are coming together so we will consider girl as one set and two other people so total 3 things we have to arrange .. means factorial 3 ways ...
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19:26
Sir in the questions where we have to pick balls without replacement from a bag of 20 balls we have to find the minimum number so rather than doing 8+7+1=16
Can't we do 7+5+1=13
As in the question they have not mentioned the sequence so this will be the smallest number.
Same thinking
13 is right answer
Bcz if we pick 13 balls then we can't be assured that we have picked atleast one ball of each colour. But if we pick 16 then we are assured of it.
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Crisp and to the point ☝️ it helps a lot...tq sir 😊
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Whole heartedly thanku sir for your effort .completely indebted
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Sir, at 4:35 why you opted for 2c1 when the task 1 should be 3c1 among 3 people
Please watch complete video we explained that thing in video itself.
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Sir combination ke bich me kahan × hoga or kahan + ye kaise pta chalega?
Very Good question ...U can use the hindi trick "yaa" means + and "or" means x
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16:00
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Sir in the tea and coffee question can we use combination instead of factorial like 9C6 (for 6 coffee out of 9 cups)- 3 (for tea in 3 rows)=84-3=81
I want to know that this is the also right way or not ?
Sir, where is apps download link? Name of AAP???
CSAT BY KABIR SIR play.google.com/store/apps/details?id=com.csat.kabir.sir
Sir aap abhi tak kaha they... i wasted so many attempt bcz of csat ...
Thank you Shefali .. God Bless You !!
Mera bhi 3 attempt kharab ho gaya h csat ki wajh se.... Or ab es baar bhi cast ka hi dar lag raha h....
Agar es baar clear Nahi hua to m chhod du ga upsc.
Be Positive Sandeep ... If u watch our video and understand the concept... you can clear the csat paper easily ... understanding concept is very important to clear csat ... do daily practice and attempt mock test ...
Very good channel 🏆only educational channel I have commented. Read basic formula n watch this video
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Hi ,did not understand csat 17 2 boys &2 girls question.Can you please explain it
Sir why we took 5c2 here as we should take atleast 3? 28:42
Hello Vishwesh ... As per question atleast 3 denomination so we took 5C3 from where u got 5C2 ... Please watch video carefully if facing issue plz mention both timestamp and question
@@upsckabir ok sir will check
Sir please re again pyq 2015 with basic concepts ,b coz I am not understand the solutions this year question
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Pdf
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4c2 how come,
In the year 2015 pyq
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Sir in the chessboard ques, why did you not take adjacent diagonals which had 7 and 6 consequetive squares respectively. Also while counting the diagonals along the straight line , shouldn't we consider the diagonals from both ends of the straight line.
please contact us @6352476687 we will explain you in detail
Sir please explain it,,,, There are 10 stations in the railway between two places A and B. If 4 more stations are added then how many types of new tickets will be required, if one ticket is issued for each one-way journey?
sir also bring video for number system
Hello @Kolluri upender ... Thanks for your comment .. We published one video on number system and other part will get posted soon ... Plz share videos with ur frnds also 🙏😀
Sir i a facing difficulty is differenciating btw probability and permutation and combination question
Sir 2023 no question came from probability
Don't worry we will cover it in more detail manner
Thankyou so much sir for this much clarity. And boosting our confidence in csat❤
…Sir, i have a doubt in the numberic lock -3digit pin question. As the questions says ..any two digits in the PIN differ by atleast two..then why cant we write 764…as there is a clear difference of 2 b/w any two digits i.e 6 and 4.
Thanks for your comment loving our videos .. Your query about number 764 the diff between number 7 and 6 is 1 not 2 but we need diff of 2 atleast.
Uska answer 6 ayega not 10 becoz
Atleast do digit distance ho chaiye ..
To...5 3 1
6 31
7 3 1
If we will be put it on second place 4 digit
6 4 1
741
Agr ham 5 ko second sthan pr lete hain to ...
( 3)7-(4 )5 - 1 ayega
Total 6 ways hogye
3 ko teen bar
,4, ko do bar....
5 ko ekk bar second sthan pr rakha
Total is 6 ways.. enough
23 wle nhi h isme sir
Please uski bhi ek video upload kr dijiye
Thank you so much for all of this
Plz go in the playlist csat 2023 folder u will get it
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13:29 pr 3! Kyu lia sir
If girls are coming together so we will consider girl as one set and two other people so total 3 things we have to arrange .. means factorial 3 ways ...
sir can u provide pdf of these lectures
Please take screenshot and use it
Thnku sir 🙏👍
Prelims tk sir kya aap ase hi Or video laa skte h jis topic se jada question aate h pyq k alawa practice question✌
Thanks for your suggestion Ajay... We will bring more videos.
Sir ,i didn't understand the digit concept in which 2,2,3,3,3 is there.
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Sir use Hindi language it will be easy to understand concept smoothly..My suggestion
Ye log Michal Jack'son ki family se h
1:41 exactly same question was repeated in upsc CSAT 2023 setA question no 68
16:00 aisa bhi aaya tha
Plz don left question 2015 q 74 is left
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