CSAT Reasoning IAS Prelims | Alphabetical Series UPSC CSAT | CSAT Reasoning Syllabus Questions PDF
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Mam 6 th question another method.. Find 50th letter.. Total letters 26...50-26=24...24th letter X is the answer
Please take as a feedback 7th question mam ,first you clear then come to student to teach it clearly visible you make difficult to understand. It is so easy for eg: a, ab, abc, abcd, abcde, abcdef, abcdefg, abcdefgh, abcdefghi.
1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 45
The ordinals 46 to 50 will correspond to : a, b, c, d, e.
The 50th letter will be ‘e’.
Hello @Vayu
As I said you can easily find out the 50th letter by manually counting.
But what if it is 200th , or 150th or so on.
The method used above is for when we will have larger values.
and the method can be undeerstood with the easy questions.
Also, at first without practising it will seem difficult and time-consuming to you. That's why we have to practice for a better understanding.
Also, if you can solve the alphabetic series question in 2023 and 2022 without this method.
Then you can go with your basic approach.
Regards
Meghna
Tnxx vayu🤦now I understood
exactly I studied quant from Vishnu sir . He is an excellent faculty , I expected same from reasoning but this is not so . I think its not about channel but faculty . Her own basics seem fragile as of now maybe I am wrong in saying so but no one can match VD sir
@@divyadixit9257 this is so true apart from vishnu sir none of the faculty match that level of teaching
Sum of Naturals i.e = n(n+1)/2
We take 10th term = 10* 11 /2 =5*11 = 55 letters ... it is definitely end with J
becouse we take 10th term
Respectively we get 50th letter
We also known as
55letter J(10) confirm
55- 5 = 10 - 5
50th letter = 5th letter
LHS = RHS
5th ka ans :) 1+2+3+4+5+6+7+8+9+=45
thus till 45 the series will go till 9th alphabet of series like : abcdefghi.
now you will again start from a onwards till 45 ( abcdefghi) +5th term to get 50th term =abcde thus e is the 5th term.
simple.... 😊
hello @sneha
As I said you can easily find out the 50th letter by manually counting.
But what if it is 200th , or 150th or so on.
The method used above is for when we will have larger values.
and the method can be undeerstood with the easy questions.
Very nice video mam Thnk you 😊
Thank you ma'am for very deep guidance 😊
Thankyou for the lecture Ma'am.☺
This series is very helpful👍
Mam, for question no. 7 I have to say one thing that you should not do this question with lengthy process but you should try to make things simple..😊😊
The way of teaching is best mam
Mam , ..Doubt in the last question waki sbh clear hai thankyou 🙏🏻
hello @anmol
The method used above is for when we will have larger values.
and the method can be undeerstood with the easy questions.
As the question in itself is complex, at first without practising it will seem difficult and time-consuming to you. That's why we have to practice for a better understanding.
Thank You Very Much, Sir
In question (7)
Please explain in easy way how n= l ???
Thank you Ma'am
As the series is 1, 2, 3, 4.... so now you know the term which is at fourth place is 4 and the term which is at 3rd place is 3. for e.g. if we say only 3 terms are there and 3rd term (last term) is 3, same goes if there are only four terms means 4th term is 4. Therefore we now know if the series has 9 terms the last term will be 9 and if it has 10 terms then the last term should be 10. This implies whatever the last term, the no. of terms will be equal to that last term.
@@edutapupsc okk okk...thank you EduTap. 🙏
yes if theres like 1235689 its mean last term=9 no. of term=7 this is difference here and there in solve people is confusing because of same last and no. of terms in the question..
7th Question thorasa app confuse kar diye but got it when I tried with different series of same type
@EduTapUPSC
Hello @chinmoy
you can refer to this video for better understanding
As the question is complex so we have to understand it properly and it will take time.
th-cam.com/video/sOy9k9FVijA/w-d-xo.htmlsi=ExQR6tLOLnXkZfj0 alphabetical part 4
th-cam.com/video/2bz4zRMBtdA/w-d-xo.htmlsi=r7ORcN4pGhYoIXRG alphabetical part 3
As the series is 1, 2, 3, 4.... so now you know the term which is at fourth place is 4 and the term which is at 3rd place is 3. for e.g. if we say only 3 terms are there and 3rd term (last term) is 3, same goes if there are only four terms means 4th term is 4. Therefore we now know if the series has 9 terms the last term will be 9 and if it has 10 terms then the last term should be 10. This implies whatever the last term, the no. of terms will be equal to that last term.
Regards
Meghna
Thankyou so much ma'am you're amazing ❤❤
Loved it.....
Q7 The way you explain is difficult.. explain in easy way
Nice session 🥰
Keep it up mam
Thank you ma'am
Thank you ma'am.may God bless you.
I started getting a headache after watching 7 questions….😭🥺
You solved this question through a pathetic formula. You took near about 3/4th of the lectures' duration to derive on an answer. Madam. There is an another way of doing it using the place value of every last letter of every term and adding subsequently to atleast knowing the 45th letter and then adding 5 more.
Can u explain . I also think why we can't do it
Relax guys ... It's not AP
Sum of Naturals i.e n(n+1)/2
We take 10th term = 10* 11 /2 =5*11 = 55 th letters ... it is definitely end with J
becouse we take 10th term
Respectively we got 50th letter so
55letter J(10)
55- 5 = 10 - 5
50th term = 5th letter
LHS = RHS
ma'am gives emphasise to people for understanding by doing himself/herself its will be easy or quickly to be solve...
@@himadrityagi6706 10th term close to 50th word
Chal bhai tu 1000th teem nikal k dikha apne tareeke se 😂
audio isnt working? ??
7th question for me😵💫😵💫😵💫
Thanks
Mam,can I found this book in hindi medium
I think 7th pblm is very confusing mam you are explaining very lengthy.
its very easy ,please apply A.P. concept
Great series mam
practice ke liye book kon si follow karenge
Nice mam
Last question answer is E not j. Mam
As a weak student in csat I was enjoying the session until the question no. 7. 😢Muje lgta hai mera CSAT ni hoga .itne time mai ek question hi kr payi to 27 kaise qualify krungi
Beee positive ❤
Uh can and uh will ..God is always with you 💗
@NavjotKaur-no8iy thanks 🙂
Ok❤❤❤❤❤❤
I think no one understand 7th problem 😅😅
why so?
@EduTapUPSC
Hello @onlygoal
you can refer to this video for better understanding
As the question is complex so we have to understand it properly and it will take time.
th-cam.com/video/sOy9k9FVijA/w-d-xo.htmlsi=ExQR6tLOLnXkZfj0 alphabetical part 4
th-cam.com/video/2bz4zRMBtdA/w-d-xo.htmlsi=r7ORcN4pGhYoIXRG alphabetical part 3
As the series is 1, 2, 3, 4.... so now you know the term which is at fourth place is 4 and the term which is at 3rd place is 3. for e.g. if we say only 3 terms are there and 3rd term (last term) is 3, same goes if there are only four terms means 4th term is 4. Therefore we now know if the series has 9 terms the last term will be 9 and if it has 10 terms then the last term should be 10. This implies whatever the last term, the no. of terms will be equal to that last term.
Regards
Meghna
kya 50th lettr jyada b pucha ja skta h. ???
Thanku mam 👌
7th question concept not clear there is lots of confusion , teaching concept not clear ... try to solve own confusion first
.
maam last question ke soulution ko itna lengthy kyo bana diya🤯
Tysm mam
no audio
Ma'am question no 7 ka answer galat lag rha ha
As the series is 1, 2, 3, 4.... so now you know the term which is at fourth place is 4 and the term which is at 3rd place is 3. for e.g. if we say only 3 terms are there and 3rd term (last term) is 3, same goes if there are only four terms means 4th term is 4. Therefore we now know if the series has 9 terms the last term will be 9 and if it has 10 terms then the last term should be 10. This implies whatever the last term, the no. of terms will be equal to that last term.
The answer is correct.
Mam
Why you werent taken PYQs
Pichle wale lecture me bhi confused thi isme bhi....kya h mtlb...
Aapne itna confuse kr diya hai ...bolne k liye bhi words nhi hai mere paas....tooo bad
@EduTapUPSC
4 minutes ago (edited)
Hello @amisha
you can refer to this video for better understanding
As the question is complex so we have to understand it properly and it will take time.
th-cam.com/video/sOy9k9FVijA/w-d-xo.htmlsi=ExQR6tLOLnXkZfj0 alphabetical part 4
th-cam.com/video/2bz4zRMBtdA/w-d-xo.htmlsi=r7ORcN4pGhYoIXRG alphabetical part 3
As the series is 1, 2, 3, 4.... so now you know the term which is at fourth place is 4 and the term which is at 3rd place is 3. for e.g. if we say only 3 terms are there and 3rd term (last term) is 3, same goes if there are only four terms means 4th term is 4. Therefore we now know if the series has 9 terms the last term will be 9 and if it has 10 terms then the last term should be 10. This implies whatever the last term, the no. of terms will be equal to that last term.
Regards
Meghna
Pls make 7 th question crystal clear to us
Hello @aastha
you can refer to this video for better understanding
As the question is complex so we have to understand it properly and it will take time.
th-cam.com/video/sOy9k9FVijA/w-d-xo.htmlsi=ExQR6tLOLnXkZfj0 alphabetical part 4
th-cam.com/video/2bz4zRMBtdA/w-d-xo.htmlsi=r7ORcN4pGhYoIXRG alphabetical part 3
Regards
Meghna
U really made it easy
Everything was good. But the last question you solved was very confusing and bad. It wasted a lot of time. If a candidate will waste so much time on one question he/she will definitely fail in csat.
Osm session mam plz continue this series🙏🙏
Madam isse acha likh kr krlenge isse jldi hogya voh aapne toh pta ni kitta solve krva diya itta time ni hota
Apki voice chubti h mam atleast use good mics
please provide more clarity ma'am
Hello @sohni
you can refer to this video for better understanding
As the question is complex so we have to understand it properly and it will take time.
th-cam.com/video/sOy9k9FVijA/w-d-xo.htmlsi=ExQR6tLOLnXkZfj0 alphabetical part 4
th-cam.com/video/2bz4zRMBtdA/w-d-xo.htmlsi=r7ORcN4pGhYoIXRG alphabetical part 3
As the series is 1, 2, 3, 4.... so now you know the term which is at fourth place is 4 and the term which is at 3rd place is 3. for e.g. if we say only 3 terms are there and 3rd term (last term) is 3, same goes if there are only four terms means 4th term is 4. Therefore we now know if the series has 9 terms the last term will be 9 and if it has 10 terms then the last term should be 10. This implies whatever the last term, the no. of terms will be equal to that last term.
Regards
Meghna
I don't undersand the 7th question can u please exlplain in a easy way.
As the series is 1, 2, 3, 4.... so now you know the term which is at fourth place is 4 and the term which is at 3rd place is 3. for e.g. if we say only 3 terms are there and 3rd term (last term) is 3, same goes if there are only four terms means 4th term is 4. Therefore we now know if the series has 9 terms the last term will be 9 and if it has 10 terms then the last term should be 10. This implies whatever the last term, the no. of terms will be equal to that last term. Now put values in the formula.
No voice medam
Tbh ye dehk kr jo ata tha wo bhi bhul gya m 🥲🥲
Ma'am uljhyaye mt plz easy explain kriyee🙏
Hello @ravina
you can refer to this video for better understanding
As the question is complex so we have to understand it properly and it will take time.
th-cam.com/video/sOy9k9FVijA/w-d-xo.htmlsi=ExQR6tLOLnXkZfj0 alphabetical part 4
th-cam.com/video/2bz4zRMBtdA/w-d-xo.htmlsi=r7ORcN4pGhYoIXRG alphabetical part 3
As the series is 1, 2, 3, 4.... so now you know the term which is at fourth place is 4 and the term which is at 3rd place is 3. for e.g. if we say only 3 terms are there and 3rd term (last term) is 3, same goes if there are only four terms means 4th term is 4. Therefore we now know if the series has 9 terms the last term will be 9 and if it has 10 terms then the last term should be 10. This implies whatever the last term, the no. of terms will be equal to that last term.
Regards
Meghna
Apko b csat me dikkat ayegi ..
Q 7 nahi aya samaj
Mujhe bhi 😢
Mam question no. 7 smaj ni aaya.
As the series is 1, 2, 3, 4.... so now you know the term which is at fourth place is 4 and the term which is at 3rd place is 3. for e.g. if we say only 3 terms are there and 3rd term (last term) is 3, same goes if there are only four terms means 4th term is 4. Therefore we now know if the series has 9 terms the last term will be 9 and if it has 10 terms then the last term should be 10. This implies whatever the last term, the no. of terms will be equal to that last term. Now put values in the formula.
Last question upar upar se nikal gya mam 😢
Hello @anzarkhan
you can refer to this video for better understanding
As the question is complex so we have to understand it properly and it will take time.
th-cam.com/video/sOy9k9FVijA/w-d-xo.htmlsi=ExQR6tLOLnXkZfj0 alphabetical part 4
th-cam.com/video/2bz4zRMBtdA/w-d-xo.htmlsi=r7ORcN4pGhYoIXRG alphabetical part 3
As the series is 1, 2, 3, 4.... so now you know the term which is at fourth place is 4 and the term which is at 3rd place is 3. for e.g. if we say only 3 terms are there and 3rd term (last term) is 3, same goes if there are only four terms means 4th term is 4. Therefore we now know if the series has 9 terms the last term will be 9 and if it has 10 terms then the last term should be 10. This implies whatever the last term, the no. of terms will be equal to that last term.
Regards
Meghna
Im totally confused in last question
Hello @mr. a.
you can refer to this video for better understanding
As the question is complex so we have to understand it properly and it will take time.
th-cam.com/video/sOy9k9FVijA/w-d-xo.htmlsi=ExQR6tLOLnXkZfj0 alphabetical part 4
th-cam.com/video/2bz4zRMBtdA/w-d-xo.htmlsi=r7ORcN4pGhYoIXRG alphabetical part 3
Regards
Meghna
The last question explanation was very bad
Mam is making fool to everyone
Explanation is very poor ......topic Explanation quality is worst and pathetic ........😵💫😵💫😵💫😵💫🤮🤮
a
ab
abc
abcd
abcde
abcdef
abcdefg
abcdefgh
abcdefghi
abcdef
F is 50th term
Skip karenge
Very bad logic 😢
tbh u r not a tutor please try smthng else.
Kuch bhi😢😮
😂😂😂😂😂
Padhana aapke bas ki nahi he
every one able to listen?
Yes
Thank you mam 🙏
Thanks a lot mam
thank you ma'am ❤
Thank You! ma'am
Thanku so much ma'am..
thank you mam
Thanku so much mam
Thank you mam