Factorials 2 || Number Systems || Quantitative Aptitude || CAT Preparation 2024
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- čas přidán 27. 02. 2018
- Number System by Ravi Prakash | Quantitative Aptitude for CAT 2024
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Fantastic last question .. such questions and concepts are never taught in our coaching institutes after paying 40k .. and Sir your way of explaining such tough concepts.. brilliant Sir.. from today, I will be regularly following your channel.. have high expectations seeing such quality
Please share among your friends as well.. full course will be available here by 2nd week of may
bro i have been following his channel after being disappointed from T.I.M.E lucknow
Extremely good question but I don't know if such questions came for rbi grade b
Please reply
In 3rd question why sir taken 7 as common and why we have to see lhs equal rhs can u explain
@@rishisrivastava5461 i am going to join time lucknow .....please share your experience bro
For those who are not able to view this video, try setting the video quality to 360p
Thank you
Thank you!
Thank you
Thanks it worked
Thanks Alot!
What a concept. I learn something new when i see your videos. The style of teaching is excellent. Thanks a lot for giving this quality of content in free of cost.
Salute to you
The lectures are amazing sir . I am going through each one of them . Thanks a lot for creating such a series. I have already spent so much on institutes but never have gotten explained better.
Sir, seriously I am able to understand the concepts and the way you teach amazing...God bless you Sir.
this channel is much better than the coaching institutions which take money and barely give any knowledge......i enrolled in career launcher ...and that has been the worst experience ..!!better to sit at home and give time to such quality content..!!
kudos to you sir....!!
Where are you from bro ?
Even I launched in Career Launcher-but here it is much much better
Quality Course! Simply outstanding. Thank you so much, sir.
Hey I totally solved that 153 question on my own. Thankyou sir😁
Hi ,
🎉@@v.g.r4583
Sir ur lessons are brilliant and so simple to understand and ur way of teaching is awesome
Thanks a lot sir for these videos
THANKS A LOT, AND TONS SIR!!! FOR STUDENTS LIKE US, YOU REALLY MAKE EVERYTHING SIMPLE AND FACILITATE IN SMOOTH JOURNEY TO SUCCESS......WORDS AREN'T ENOUGH TO APPRECIATE YOU....THANKS AGAIN AND AGAIN🙏🙏🙏🙏🙏🙏
brilliant methodology . literally started from basics to pinnacle seems to be very helpful........
One of the best Conceptual Question !! Got to say and hats off to sir for explaining it so easily
Thank you so much sir ❤ Many youTubers are teaching a simple question and a simple concept for fascinating us.. Your the teacher who work for the real concept which will help us a lot 🙏🙏
Very grateful to you for simplifying a seemingly tough looking concept
Tq so much for ur teaching at free cost salute to you for giving this much knowledge
Sir you are real gem, because your way of teaching is absolutely super......and your questions are also high quality level.... And way of teaching is also.....i pray MA SARASVATI blessings always be with you.🌸
Thank you so much for the coaching, Sir. I swear you'll become famous like Alakh Pandey for free coaching one day.
Amazing concepts taught beautifully. Great explanation!!
sir hats off to u... i come from a financially weak background and cant afford paid coaching but here your concepts are so superb that even paid coaching institutes bhi nahi padate. thank u so much sir. aap khoob tarakki karo sir, plz don't stop making videos on yt. usi same type ki vidos daal dia karo sir jo aap unacademy par padate ho plzz
sir highest power of any even no. must be the highest power of the largest prime right (means after its factorization) ?? so directly we can also write that power of 12 here should be 36? i tried it in 150! and power of 12 was right using this method means directly.? please correct me if i am wrong or will there be any ambiguity in future..
I watched last concept about 3 to 4 times.... Then I understood whats happen...
Brilliant concept sir......
Thank god we have teacher like you...
Student from praygraj.... 🙏🙏🙏🙏
the lectures are just awesome sir..keep posting sir..
Thank You sir. God bless you for doing such a Great and Nobel work. 🙏🙏🙏
The question for finding min K , has OR condition not AND , which means only one condition is enough to take into consideration right?
I’m here to prepare for ipmat 2022 and thanks to one of my friends recommendation I got to find your channel
It helps me a lot as I’m not good with maths but Ravi sir you make it seem easy even for us students who didn’t opt for maths in their 11th and 12th thanks a lot sir and keep helping us students who don’t have the money to spend on crash course or coaching 👏
11 and 12 math yeh sb nahi padhna hai
Why his voice is so loww???
Very helpful video.Thanks a lot sir
I am in bba 1st year and I its my initial preparation and your video is helping me alot
sir , i have a question here, in the previous video u said that during non-prime numbers , we have to first take out the highes magnitude of prime factor which in case of 12 is 3(2 multiplied by 3), then whhy did you multiplied 60by 2?
Sir can u plz re upload the video
We may miss imp concepts from this
Plz sirrr
wow sir..... really a gem u are
Really thank u so much sir, from the core..
i someone reads it can you explain how we know after which zeroes will increase i mean i get the point that after 25 zeroes increase by 2 then how on 50 again zeroes jump by 2 again i am not able to get that part where sir said zeroes will skip by multiple of 5 according to that for 25 and 50 i get then why zeroes are not increasing for 100 as well why 125 and after 125 why 652 why not 250?
Sir ;does consecutive numbers are missed mean for instance,2,3 and 4 are missed or am I missing something in my knowledge?
Thankyou so much rodha classes
Hello sir, for last question can it be concluded that "if x consecutive trailing zeroes are skipped from the 5's of factorial of a number, then the index of 5 in that number will be x+1".
sir i did this question (where we have to find the value of a) by dividing into prime no.s as told by u earlier.
the last question be like really too tough...for my standard. it took nearly half an hour to understand the question but i understand. thankyou sir making beautiful cat content for free.
The style of teaching is excellent. Thanks a lot for giving this quality of content in free of cost.
What will be the maximum value for k for which no of factorial has k trailing zero or k+1 or k+2 trailing zeroes
Amazing concepts sir 🙏🙏
Thank you very much sir for your efforts
In question 3 the no of 7's will be more than 8 and 9. How can we take index 402, it should be less than 402?
sir is the concept for 2023 same as of 2017, can i prepare for cat 2023 from this playlist?
sir where can i get more questions for practice ????
Ye video nhi CHL rhi hai kaise is video Ko dekhu
#Rodha....Sir you teach really well!!!!
Sir I want to ask you that is this course helpful in preparation for IPMAT for indore??????
Got to know about your channel from Shweta Arora you both are really doing a really great job hatts off to you both🤗
Hii kya apke sare rodha CZcams lecture ke notes hai kya please send me
Sir Please create a Quants Playlist with all exquisite questions and topics for CAT 2023.
Please kindly help us out.
Video error, video is not playing properly, please upload this one again
Sir i did last question by myself and it was correct
In q3 why did you take 7*8*9 only?
With your video which book should i purchase
Are these lectures are also useful for next coming year CAT exams??? like 2021 ,2022......because i dont know wheather it is right or not every year most of the syllabus used to change ??
Syllabud dont change mark distribution change
Sir there's an error pls check
I have question should i prepare with writing formulas or just understanding concept is enough?
EVERYTHING IS EXTREMELY PERFECT SIR.....BUT PLS FIX THE AUDIO SIR .......ITS VERY LOW AND HENCE INAUDIBLE
Thanks a lot.
Can we refer these videos for GMAT preparation ?
Thank you so much sir.❤❤
Sir why you take the value of k is 153, k+1 =154 k+2 = 153
Sir how you choose these numbers ....??????
Hello sir, currently i am working as AA in IIMA but i want to get admision on phD at iima nd for that i am preparing for CAT .....In starting i was lil hasitate what to do and how to do ...but make it very easy to study.....thank u so much....for all the 3 portion i am following ur lectures.
Is this useful for government exams also?
Where can I practice this side by side
From where to find these type of questions to practice? Does anyone know ?
Then what is the value of k ,if he asks maximum value???
Sir this video is not play... Check this internal error of this video.
Same problem
Download and watch.
Try in 360 p
not working
Tu toh studd hai re!!!
how do we initiate breaking down 504 into 7x8x9 ? how do you come to that way of solving ?
Breakdown 504 in prime numbers... divide 504 simply with 2 then 3 and then lastly by 7.
Didn't get it
@@IneffableIshan
Find the maximum value of n such that 77! is perfectly divisible by 720^n.
Confused whether the answer is 17or 18,since highest power of 5is coming 18.but the answer is 17
It will be 17 only as 3^35 can be written as (3^2)^17 only max rest one 3 is of no use thus we can only take 17 from each 2 and 5 as well
Thank u sir 😊
in q3 11:26 why we find the power of 7 not of 8 or 9???
sir last question me agar 4 consecutive no. hote to 5 ×5×5×5×5 krne pe to wrong aa raha hai
Sir, this video is not playing properly. There might be some internal disruptions. Sir, kindly please re- upload the video so that we can enjoy learning factorials as sir your videos are absolutely fantastic for someone to learn mathematics from scratch to zenith. The way of your teaching is very simple and absolutely commendable. Sir, you are the best Mathematics teacher I have ever seen in my 20 years of life. Sir, I hope you will address the problem I am facing currently and re- upload the video as soon as possible.
Thank you Sir.
play it on 360p man
@@adeshpatil4792 not working oj 360p also
@@jayateerthad4965 working in my phone
Thank you Sir 🙏
Sir I have one doubt why you took 624 and 625 as factorial.
Some issue is their. Video is not playing
The video is not working sir
Thank you sir 😀
I didn't understand why is no of 7s in LHS=no of 7s in RHS in Q3 13:00 , someone help me with this
Please do something with this video clip it's just not working properly
In the question, find the highest power of 12 in 80!, why is the power of 4 coming as 39 (4^39) but power of 3 as 36 (3^36). Shouldn't power of 4 be less than that of 3 since 4>3. Or is the rule true only for prime numbers?
Only for prime numbers
Sir in question 1 as we takes 12 as 2^2×3 so 2×3 must be prime numbers ?
It's was 2² × 3 that means 12
nice questions!!
In the last question, why are we considering 1250! ?
Thank you sir
13:48 its magic
Sir this video is not play
Guys who are facing problem in opening the video....do one thing i.e. download the video and the video would be easily opened...Later thanks me 🙂
Sir i am following this session kindly let me know if it will be useful for me for CAT 2024
Thankyou sir
THE BEST
Thank you
Sir in 1st question why we can't goo with 6×2 for 12
bcz 6 is non prime no. and factors are found using prime no.
6 can again be written as 2×3
Video is not playing
Amazing
In Question 3 !! 2419! why we calculate only the no of 7's ??? confused
because 8 and 9 can further split into 4*2 and 3*3. 7 on the other hand cannot. And if you go through the previous lecture he showed us that we need to only find the power of the largest prime number in the pair, Cause it indicates the max number of pairs we can get for a factorial. In this question 7 is the largest prime number and 7 's power indicates the max number of pairs we can get for (8*9*7) which is 402. And 402=a which is the answer.
Sorry Im bad at explaining, Hope this makes some sense to you.
Can anyone help me with finding the questions of Numbers and materials for this.?
I mean where to find those material and questions and mocks, right now i want to solve these types of question but i dont know where to find it!
yeah did you find it?
@@ritwikadas7258 No I haven't found it i guess it's not available for free, Gonna have to buy the study material.
Thank You Sir! for giving this knowledge Free of Cost ! I want to do MBA but Dont have fees
Hii kya apke sare rodha CZcams lecture ke notes hai kya please send me
Hii kya apke sare rodha CZcams lecture ke notes hai kya please send me
There's some issue with this video, kindly upload it again.
Try playing it in 360p or 720p.
Highest value of 'k' will be ?
Why we break 504 in 7×8×9.
8 and 9 is not even a prime number.
Please reply, If anyone knows🌸
It doesn't matter whether we write directly 8 and 9 or in terms of 2 and 3, as we are only concerned about the power of 7 in the question( both 8 and 9 are not a multiple of 7). You can write in terms of 2 and 3 if u find it comfortable.
@Meghna Chaturvedi I didn't really get ur question. Power of two in what, 504 or in 2419 factorial? If it's the former then it is simply 2^3 and for the factorial part use the same method that was taught to calculate highest power of a prime number in a factorial.
@@srikrishnavasudev9735 could u explain how we broke 504 into those nummbers?
I have the same question. how does he directly break down 504 into 7x8x9 ?
@@sidsiva3073 504 =7 × 72 (we started from 7 becoz its a prime no. ,yes 2and 3 are also prime but lesser the no. Will be more power it give so ..to make easy we take 7 )
Now split 72
504=7× 3 × 24
Splitting 24 as 3×8
= 7×3×3×8
Now 504 = 7 ×3² × 2³
Which is 7×9×8