This cleared a lot of doubts especially when you linked different year's PYQs of similar types together. Earlier I was solving SSC CGL Qs of PnC using different formulas but upsc asks different types of PnC questions and I wasted so much time in those Qs which UPSC will never ask. Thanks for this wonderful session.
I am so grateful I found such an incredible teacher, who teaches every subject with an aim to bas aisa padha do ki zindagi bhar ke liye samajh aa jaye. Teachers like him are a true gem. This is true service to humanity. I will be forever thankful to you Sir. Thank you for existing. 🙏
RISHAV = One Man Army Rishav= Backbone of the channel "OnlyIas Extended" Rishav= One of the Pillars of OnlyIAS For me, OnlyIAS is nothing but Rishav Sir...not even Sumit sir, just Rishav Sir, My Favourite Teacher
1:33:16 Correct Answer - Option 4 : None of the above One post of Principal is to be filled and two posts of Vice Principal are to be filled. No. of eligible candidate for the post of principal = 2 No. of eligible candidate for the post of vice principal =(6-1) 5 Possible no. of combinations = 2C1 × 5C2 = 20 Hence, option 4 is the correct answer. I wish you all the best future IAS 🥰
@@siddhimishra4708 LAYOUT ( vowels= AOU)(Consonants=LYT) , consider AOU as 1st , L=2nd, Y=3rd and T=4th = 4!; & AOU can be arranged in 3ways like OUA , AUO,OAU = 3! , So 4!*3! = 144
You are the best teacher in mathematics 😊😊 Aaj tk Maine bahoot se teacher se padha probability and permutations and combination but Mera concept clr nhi hua aapki class krne se sabhi concept clr ho gye Thanku so much sir🙏🙏🙏🙏❤️❤️😀😀
sir in the 1:10:16 mints the answer will be 9 because sir you have taken (1,4,2) which will make 6 as 1 is not required there sir the total cominations will be 9
1:33:34 5 Question of true and false can be answered in 2×2×2×2×2 ways i.e 32 ways.It means in worst case there can be 32 students that can give different answers.33rd student's answer will match with any other student for sure.
Plz tell ki 32 ans kaise hoga ye toh no of diff ways aye jisme students ans de skte h toh itne students kaise hue and also agr hue bhi toh ye kaise ensure hua ki do students ke ans indentical seq mein ni h??
1:33:24 Correct Answer - Option 4 : 32 Given Total number of Question = 5 Formula Used total number of ways = (no. of ways)no. of times Calculation ⇒ maximum number of candidates = (2)5 ⇒ 2 × 2 × 2 × 2 × 2 = 32 ∴ The maximum number of candidates is 32 I wish you all the best future IAS 🥰
1:33:14 - ans-D - 2*5*4=40 as they all are eligible for vice principal post. If 1 of 2 principal candidates becomes principal, remaining 5 are eligible for v.p . So (5*4 for v.p )and *(*2 for principal post)
Thank you so much Rishav Sir...Really appreciate the efforts that you are taking for us... The way you explained each and every topic that was amazing... Especially this one... I was so fearful but you made it so simple and easy to understand so thanks for that...🙌🙏👍
2015 pyq, principle, voice principle ans = 20, hence none t or false wale ka answer is 10 , so option A wedding handshake = 21 sides of polygon = 11 1.59 ..no.. of ways of arranging a,b,c,d,e... = 12
hello sir, in practice question of 2019 (combination) triplet(x,y,z) when x=1 fourth value you have written (1,4,2) its total is 7 , correct value is (1,4,1)?
Thanku so much sir. Maine 2-3jgha se ye topic samjhne ki koshish ki but mujhse questions solve ni ho pa rhe the kyuki concepts hi smjh ni a rhe the but apne is topic ko itni asaani se smjha diaaaa. Thanku so much sir
Sir app bahut accha padhate hoo per Thora simply way me bataye jaise flag colour wala problem use apko bolna tha ki 1st colour hai usko3 way se bhar sakte hai 4 way se bhare ge to same ho jayega adjacent site to 3 way se barege and other 1 or choose kar sakte hai koi 2 niche stripe se Fir 2nd colour ko 2 way se kar sakte hai fir 3 colour ko bi 2 way se kar sakte Chahe koi vi color hoo Ap bahut accha padha te ho per Thora or simple way me padhaye isme nahi ias Wale hai koi bi aspirants hai jaise hm nimcet wala
In the word LAYOUT, there are three vowels and three consonants. If we consider the three vowels as one letter, then we have four letters to arrange. These four letters can be arranged in 4! ways. Now, the three vowels can be arranged among themselves in 3! ways. Therefore, the total number of ways in which the letters of the word LAYOUT can be arranged such that all vowels come together is 4! * 3! = 4 * 3 * 2 * 1 * 3 * 2 * 1 = 144. So the answer is 144
This cleared a lot of doubts especially when you linked different year's PYQs of similar types together. Earlier I was solving SSC CGL Qs of PnC using different formulas but upsc asks different types of PnC questions and I wasted so much time in those Qs which UPSC will never ask. Thanks for this wonderful session.
I also did the same 😢 but any way we found a great youtube channel with great teacher , i feel so blessed and i am so thankful 🙏 to risabh sir ❤
I am so grateful I found such an incredible teacher, who teaches every subject with an aim to bas aisa padha do ki zindagi bhar ke liye samajh aa jaye. Teachers like him are a true gem. This is true service to humanity. I will be forever thankful to you Sir. Thank you for existing. 🙏
Great sir 🙏 🙏 🙏
True
Salute sir ,itne simple se samjhaya koi math teacher bhi samajha paate hain
No one teaches CSAT as nicely as him!
Sir itne lucid ,crystal and clear with conceptual clarity ke saath koi nhi padhata
Kya gajab teacher hai maine enke eco k bhi lecture dekhe 🙏🙏
40:12 m 1). 360
2). 144
RISHAV = One Man Army
Rishav= Backbone of the channel "OnlyIas Extended"
Rishav= One of the Pillars of OnlyIAS
For me, OnlyIAS is nothing but Rishav Sir...not even Sumit sir, just Rishav Sir, My Favourite Teacher
Same baaki sbh pdhai km backchodi zyada krte h 😂😂
One of the best lecture on Such a difficult topic ..Thank You Soo Muchh Sir ❤
Right bro ❤
1:33:16 Correct Answer - Option 4 : None of the above
One post of Principal is to be filled and two posts of Vice Principal are to be filled.
No. of eligible candidate for the post of principal = 2
No. of eligible candidate for the post of vice principal =(6-1) 5
Possible no. of combinations = 2C1 × 5C2 = 20
Hence, option 4 is the correct answer.
I wish you all the best future IAS 🥰
Rishav sir is perfect example of... "Punjabi aage oyeee"
He teaches very well...🤗either its economy or CSAT.
40:12 School ans 360 layout ans 144
please explain layout
@@siddhimishra4708 LAYOUT ( vowels= AOU)(Consonants=LYT) , consider AOU as 1st , L=2nd, Y=3rd and T=4th = 4!; & AOU can be arranged in 3ways like OUA , AUO,OAU = 3! , So 4!*3! = 144
@@Gaurav-fz9qr thanks
You are the best teacher in mathematics 😊😊
Aaj tk Maine bahoot se teacher se padha probability and permutations and combination but Mera concept clr nhi hua aapki class krne se sabhi concept clr ho gye
Thanku so much sir🙏🙏🙏🙏❤️❤️😀😀
sir in the 1:10:16 mints the answer will be 9 because sir you have taken (1,4,2) which will make 6 as 1 is not required there sir the total cominations will be 9
Was so scared of this topic, but you made it sooo easy to understand!! Thanks a lot sir
40:17 question SCHOOL - 360
Question LAYOUT -144
Thank you sir
360 , can u explain.
@@FGSakshii 6 letters ka 6! and oo ka 2!
6!/2!=360
It's 720. Vowels toh pucha nahi arrange karne ke liye@@bajranglohra1524
40:12 HW SOL.
1)School ans 360
2) layout ans 144
please explain me the Layout answer.. I am very weak in maths🙏
Sir you are th example of entegrity in your work . Bahut hi honest h aap. Sor this hard work thank you so much
1:33:34 5 Question of true and false can be answered in 2×2×2×2×2 ways i.e 32 ways.It means in worst case there can be 32 students that can give different answers.33rd student's answer will match with any other student for sure.
Plz tell ki 32 ans kaise hoga ye toh no of diff ways aye jisme students ans de skte h toh itne students kaise hue and also agr hue bhi toh ye kaise ensure hua ki do students ke ans indentical seq mein ni h??
@@mrighsharma6155 in question it is asked the maximum number of students that can be there
You have to assume every student answer differently.In that case maximum 32 students can be possible with each answering differently
Thank you so much sir for Important session . today clear all concept of permutation and combination topic . Thanks a lot again
and sir thank you for teaching us in such a simple and easy way so that we could understand the concept and sir we all appreciate your efforts sir
Thank you very much sir, I never found any teacher like you through out my life,
This lecture really helpful for me.
Hat's off ❤
Really itna simple kisi ne kabhi nahi samjhaya hoga ye topic heads off to u sir 🎉🎉🎉😊😊😊
Very helpful session. You made it all super easy to understand and remember. Thank you so much sir!😊
My favourite is Rishav sir and his favorite is Vaibhav 😂❤..thank u so muvh sir!!
Always love the way you teach Sir extremely helpful for us .. Thank You So Much Sir...🙏🏻🙏🏻
Actually thkuuuuu sooo much sir for this specific topic as there is no relevant video on this topic upto csat level...❤❤❤
Sir next probility topic complete karenge to bhut helpfull hoga
Probability hota hai wo
@@a.k4394kyo bechare ko guilt feel kra rhe ho, sir usko alag se probility pdha denge 😂😂
Yes sir please
"Probability" & "helpful"
Pdf nhi Kiya kya?
Super sir❤❤❤
Twinkle twinkle little star
Rishav sir super Star ⭐⭐⭐⭐⭐
Such me. Itna easy way se btae hai aap
1:33:24 Correct Answer - Option 4 : 32
Given
Total number of Question = 5
Formula Used
total number of ways = (no. of ways)no. of times
Calculation
⇒ maximum number of candidates = (2)5 ⇒ 2 × 2 × 2 × 2 × 2 = 32
∴ The maximum number of candidates is 32
I wish you all the best future IAS 🥰
You made this topic very easy.. Thnk u sir❤
mujhe formula ratne me problem hoti h. to ye samjha k padhane ka tarika, best h
Wow, sir you r looking very nice..😊
U made it so easy to understand... I'm stunned sir ❤ thanku so much sir
Ap pehle mujhe ku nhi mile sir u r the great apki strategy byttt achi lgi padhane ka basic was so good 🥺🙏 thnqq sir
drama kam kor
Bestest bsir
Thank you so much Sir. I enjoyed yr class and learned a lot✌️
Everything is temporary but vaibhav and Ankit favourite name of sir is permanent. 😂
40:25 school - 360 & layout -144
please explain me the Layout answer.. I am very weak in maths🙏
A big thank you sir ❤for your efforts 😊
1:33:14 - ans-D - 2*5*4=40 as they all are eligible for vice principal post. If 1 of 2 principal candidates becomes principal, remaining 5 are eligible for v.p . So (5*4 for v.p )and *(*2 for principal post)
Bro it's 22 you should add p & vp
Thank you so much Rishav Sir...Really appreciate the efforts that you are taking for us... The way you explained each and every topic that was amazing... Especially this one... I was so fearful but you made it so simple and easy to understand so thanks for that...🙌🙏👍
1.C
2.B
Thank you rishav sir for bringing out best in ourselves , we are lucky to have you sir 🙏 ❤️ 🎉 ,
sir this is very usefull video. Thank you sooo much🙏
Thank you for the class, Sir
Homewok questions
Q1. C 100 21:27
Q2. C 360 40:08
Q3. B 144 40:11
Q4. B 19 1:01:21
Q5. D none of these (17 ways) 1:33:13
Q6. C 21 1:38:15
Retry
1:33:28
1:01:21
47:11
21:27
17:20
14:14
Q5 - 20 ways
2015 pyq, principle, voice principle ans = 20, hence none
t or false wale ka answer is 10 , so option A
wedding handshake = 21
sides of polygon = 11
1.59 ..no.. of ways of arranging a,b,c,d,e... = 12
hello baby 😂❤
20 kese
You're teaching methods are wonderful, sir.
excellent lecture brother 🙏
hello sir, in practice question of 2019 (combination) triplet(x,y,z) when x=1 fourth value you have written (1,4,2) its total is 7 , correct value is (1,4,1)?
You are right, i would be (1,4,1)
1 .360
2. 144
3 . 12 ways principal and vice president choose
Homework questions
4 21 handshake
5. 11 sides of quadrilateral
3 20 ways
1-360,2-144,3-12
Best pc video on youtube
Hates off , amazing teaching
41:10 combination
Thanku so much sir. Maine 2-3jgha se ye topic samjhne ki koshish ki but mujhse questions solve ni ho pa rhe the kyuki concepts hi smjh ni a rhe the but apne is topic ko itni asaani se smjha diaaaa. Thanku so much sir
Sir plzz continue this & cover all the topics in CSAT
1:11 9 possible value
Really Thank you 🙏
hw 1 :- 360
hw 2 :- 144
hw 3 :- none of these ( answer is 20)
hw 4 :- 32
hw 5 :- 21
hw 6 :- 11
hw 7 :- 36
hw 8 :- 10
hw 9 :- 7998
hw 10 :- 24
hw 11 :- 945
thanks sir... great session....
20 or 22 for hw3
20 or 22 for hw3
@@priy_yaah20
@@priy_yaah 20
2c1 ×5c2
1:52:53 option C, 11
1:33:24 option d, 32
Sir app bahut accha padhate hoo per Thora simply way me bataye jaise flag colour wala problem use apko bolna tha ki 1st colour hai usko3 way se bhar sakte hai 4 way se bhare ge to same ho jayega adjacent site to 3 way se barege and other 1 or choose kar sakte hai koi 2 niche stripe se
Fir 2nd colour ko 2 way se kar sakte hai fir 3 colour ko bi 2 way se kar sakte
Chahe koi vi color hoo
Ap bahut accha padha te ho per Thora or simple way me padhaye isme nahi ias Wale hai koi bi aspirants hai jaise hm nimcet wala
Ans-360,144,,option-D,10,21,11
1:52:54 number of side of polygon is 11
How
Great method of teaching thanks 🙏🙏 sir
bahut achhe se samjhaye sir thank you
This is an amazing lecture. Thank you sir
Thank u so much sir...v. unique way of teaching...u mk things so simple n easy for us❤😊
Thank you dear sir nice class
Thanks a lot sir ….Hats off to your dedication
❤❤❤ fantastic session 😊
Sir classes se achi mujhe ye TH-cam video lgi
21:42 B. 18
39:59 C. 360
40:11 B. 144
1:32:54 B. 12
1:33:24
1:38:13 C. 21
1:52:54 C. 11
How 11 comes plz explain
Homework question answer
Option C(360)
Option B(144)
Option D(None of the above.20)
Side question(Option C(11)
Thnku so much sir very helpful.. grateful sir!❤
My fvrt❤
Good evening sir
Answer 1. C- 360
Answer 2. B- 144.
40:09 C) 360
40:14 B) 144
Having full respect , 1:10:30 correction ...ans 9 bcz in first line last option total 7 ...... Thank u so much sir...😊
Answer 10 hi hai....
It is 1,4,1 - by mistake wrote it wrong but explanation is right....
@@rishavsharma1459 Okay sir..Thank u❤ I will correct in the notebook🌝
Thank u so much dear sir for this lecture.... Thanks alot...
Thanks a.ot 😊 sir for this session 😊
ऊँ नमः शिवाय ऊँ नमो भगवते वासुदेवाय नमः🙏🙏🙏
40:27
school:360
Layout--144
1:09:00 sir (1,4,2) nhi (1,4,1) banega ...otherwise sum got 7
This is very helpful. Please post the lecture of other important quant chapters.....❤
Sir hrr lecture mee Vaibhav koo jrur yad krte hai 😂
Lgta hai sir ka dost hai 😅😊
Nice video.... thankyou so much sir
Really helpful 👌 ❤
PQ-2015
Ans->(d)none of the above
20?
26:15 ans 100
Thank you so much sir amazing session 👍👍
46:00
50:00 currency problem
Thank you sir. 🙏
Arrange of school 360 and arrange of layout when vowel are come together 144
please explain me the Layout answer.. I am very weak in maths🙏
In the word LAYOUT, there are three vowels and three consonants. If we consider the three vowels as one letter, then we have four letters to arrange. These four letters can be arranged in 4! ways.
Now, the three vowels can be arranged among themselves in 3! ways.
Therefore, the total number of ways in which the letters of the word LAYOUT can be arranged such that all vowels come together is 4! * 3! = 4 * 3 * 2 * 1 * 3 * 2 * 1 = 144.
So the answer is 144
Thank you so much sir🙏
We want more practice question for Pnc and Profit and loss please sir
very good lectures 🙏plz continue this series .very helpful sir thanku so much for this seriea