Aptitude Made Easy Problems on Calendar full series, Learn maths
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The method of substracting 1 from leap year dates is giving irregular answers.
It works on 29th February 2012 as shown in the video, I tried to check if it worked on 28th February 2012 and rest assured it was working.
But on trying the method on other leap years dates:
- 06 April 1896 - Remainder was 1 i.e. monday
- 05 October 2016 - Remainder was 3 i.e. wednesday
- 14 August 2004 - Remainder was 6 i.e. saturday
Upon checking the correct days for the mentioned dates, the answers were all correct without the need to apply the (-1) rule. Why the discrepancy?
Edit: I've figured out the pattern. Essentially, all dates in a leap year before the leap date are subject to the (-1) rule but not the ones that come after it. In simple terms in a leap year, we need to apply the rule on January & February but needn't apply the same on the rest of the year.
Thank you. You cleard my doubt
yeah bro you r correct
thanks for clarification
thanks sir
Thanks a lot
Brother your name will go down in history
This teacher deserve a gold 🥇 medal
yeah
but why do 724people dislike it
@@neilnishanth Ignore them! They aren't worthy guys!
is 2016 not a leap year y mam not subtracted 1 to answer anyone please answer?
Same doubt@@Ramsharan647
I Answered 3 answers out of 3 questions in recruitment test after watching this video. Thank you to the freshersworld team!
Which company asks this other than gov jobs 🙄??
Which recruitment
@@ahmadsabeel6576 software companies
@@ahmadsabeel6576 inki problems hi hain yeh bande reply nahi dete hain .
Attitude aa jata hain inme
@@sachinupreti7159 ya comments itne h ki haar kisi ka reply dena possible nhi
I usually don't comment, but u explained it very good, now I can solve all aptitude question regarding years and dates
Thank you
I got it.
But our respected Madam forgot to mention one important point, which might be the cause of some mistakes popping up when solving the case of March, 12, 2016.
"In case of leap years, only subtract 1 from the last remainder for January and February. For the rest of the month, ie, March to December, the last remainder determines the day of the month"
Thank you.
Thank you. I had the same doubt and searching in the comment box whether i could get the right answer for my question 😅And i saw your comment. My doubt was cleared. 👍✌
😘😘😘
Thanx dude you really saved my life
hey..however even that is also coming wrong..my remainder for your date was 1..if i take the remainder itself,the day is monday..and if i subtract the remainder by 1 (1-1=0) which is a sunday..both the days neither match the actual day of 12th march 2016 nor the day of the month(which is a tuesday)..can u help me pls😐
@@swathiganesh6400 dimag ghutne main hoga ta 12 March 2016 Tuesday hoga tera samjha 2016 ka jaa calendar cross check kar ye saturday aata hai.
1.) I simply pre-memorized all 366 possible dates as a value from -3 to 3.
2.) Then I just add that to one of the 4 possible century codes of 2,0,-2, or 3 (7 possible century codes for Julian from -3 to 3) and finally,
3.) Add that to a pre-memorized value for each of the 100 years from 00 to 99.
For example, my birthdate of March 19, 1982 goes:
-2+3-3=-2 so Friday! Or shortcutting, I just cancel the 3 and -3, and -2 is Friday! The fastest way to do this is to pre-memorize all 100 year values from 00 to 99. Then I just add that to the century code and finally add that to a pre-memorized value for each of the possible 366 dates (these 3 values can be added together in any order you like). For example, June 15, 2012 would simply be:
2+2+1=5, so Friday!
June 15 always has a value of 2 (pre-memorized)
2000's has a century code of 2
and,
year 12 always has a value of 1 (pre-memorized)
2+2+1=5, Friday!
Anytime leapyear happens just subtract one from the answer for January or February only, all other months stay the same!
I calculate any day of the week using my method in less than a second, almost instantly to 2 seconds tops if I'm thinking a bit. I do both the Julian and Gregorian calendars in both AD and BC infinitely into the past or the future.I do other cool tricks that aren't heard of very often, for example since this calendar math can be viewed as just a simple addition problem, we can also solve for a missing value using subtraction! For example, if we already know the day of the week to be Friday for example, we can solve for a possible month/months or even a date from 1 to 31 or even a possible year or century.
Example: Which month or months did Friday the 13th fall on in 1899?
1899 was a Tuesday year (-2+4=2) or (5-3=2). So, Tuesday was the 10th since 3 days later was Friday the 13th.
So, 2+13+x=5 (Friday)
x=4 because 15+(-10)=5
-10+14=4
Mod7 arithmetic
Only January and October had a month code of 4 😁. So it only happened twice that year, in January and in October. Also we can say more intuitively that since 1899 was a Tuesday year, and Friday being 3 days later, which month/months had the Doomsday of 3,10,17,24,31? and obviously that is only January and October.
If the question changed to what were all of the Fridays in January and October for example in 1899?
We can say "the 6th, 13th, 20th, and 27th"
If someone were to instead ask for example on Friday the 13th from 1883 to 1900 what year/years did that happen?
We can say "only in 1893 and 1899"
In this situation we just needed to find the missing year code of (4 or -3) and only 93 and 99 have that year code in that date range. Likewise, we could have instead solved for the century 😉 also if already given a year.
I have a doubt, currently help me
August 15 th 1947 occurs on which day!!?
By this method
47+11+15+2+0=75
75/7 the remainder is 05
5- Thursday
But the ans is Friday
How??
@@srujith9753here 5 means Friday not Thursday
The way u have explained was really elucidate. Each concept is nicely quoted so that viewer could easily understood 😊😊
Luv
Really
@@kumbabaji8188 Nahi degi bhai soja
*The way you have explained was really elucidating(informative). Each concept is nicely quoted so that viewer can easily understand.
@@seemaladdha9771 caught me :'D each viewer it is
Guys she missed to tell something imp , in a leap year if it's before 29 th Feb minus 1 the remainder and if it's after 29 Feb don't minus because the minus 1 & the extra day 29 Feb gets cancelled so you don't need to minus 1 after 29 Feb in a leap year and for 29th Feb day minus 1 for reminder 👍🏻
First of all thanks! and are you sure bro??
2016 is also leap year ,u did not substracted with 1 why, and u substracted 1 for 2012
same doubt.
In leap year before Feb 29 date there will be 1 day deducted ex- 2feb 2012
Apply -1 only for the months jan and feb in leap year.. Rest of the months u can follow the default procedure
In calendar part 3
2006 is a leap year right then we should substrate 2 from the wed then it will be Monday
2006 is not a leap year@@rekhakantimath3317
Mam a small doubt. In the first part of the video , the second sum (with 5th october 2016) is a leap year. But why mam we didn't subtract 1?
aise he
In 2016....there was an error....31÷7=4...then 4-1(coz leap year)=3 that is Wednesday
@@kritichopra2927 thank you ji
@@kritichopra2927 4 is quotient.. but we should consider remainder only. Remainder is 3.. in case of leap years , subtract 1 from the remainder for only Jan and feb... Consider remainder for rest of the months
"In case of leap years, only subtract 1 from the last remainder for January and February. For the rest of the month, ie, March to December, the last remainder determines the day of the month"
So Helpful Thank You so much. I am in 5th and in this quarantine days i wanted to learn something new so i took the chapter, Calendar. It is also in our syllabus. THX. I am so prepared.
I also 👍
Hi 💜🅐🅡🅜🅨⁷⟬⟭💜😁
@@Make-upp_art hi
@@priyanka6710 How to identify a leap year
6.30@2016 didn't consider as Leap year but 8.06 @2012 is considered as Leap year .... getting Confused....
Same here bro 🧐
Nothing to confussion there, in leap year extra day comes in February. In the question if mention January or February month we have to reduce one day because extra day not yet come. In the question if ask other than two months extra day will automatically added and we need not to minus one day.
For the 2016 example shouldn't we consider that is it a leap year and subtract 1 from the remainder at the last step to determine the day? 2004, 2008,2012,2016,2020, 2024 ect can be divided by 4 so we can tell that they are leap years.
We should subtract only if we have feb and jan
i was thinking the same
@@vamshigoud3273 Sure ?
Yes of course ..I'm have the same doubt
"In case of leap years, only subtract 1 from the last remainder for January and February. For the rest of the month, ie, March to December, the last remainder determines the day of the month"
Madam iam in a Telugumedium student but chala Baga understand avutundi thank u soo much
Can u plz explain for the years 2016 and 2012 ...?? Where both are leap years and u hv done them in different ways..
yes i also have same doubt but then i checked 5th oct 2016 and its wednesday so i am not getting what to do about that
Dimaag main ghu bhara hogana isiliye ye sawal pucha tune
Tere upar waale comment dekh pata chal jayega
Subtract 1 for only 29th Feb. Do the existent method(not with "-1") in all the remaining instances. That's it.
In 2016....there was an error....31÷7=4...then 4-1(coz leap year)=3 that is Wednesday
Your videos are "nothing but" amazing. 😉👍
Nice 👍
is 2016 not a leap year y mam not subtracted 1 to answer anyone please answer?
@@Ramsharan647Yes. 2016 is a leap year. We need to subtract 1 only for the months of January, and February in a leap year.
i dont get it@@dhulipudibhanuprasad-dbp7915
Thank you. I'd finished my C program with this algorithm.
How bro please let me tell
Tq mam.......ur explanation will be superb.....i get Mark's simply by this way ✨
Yesterday u disappointed me not uploading a full length aptitude vedio....plz one humble request plz create a separate a vedios on playlist and it will be useful
Mind blowing explanation ❤😊😊😊😊😊😊😊😊😊😊
What a great day, I learned so many from your class Thank you sister.
Very Good Madam, God Bless you. Thanks
I am surprised 😮 with your flow of English.
Awesome mam, i check your methods with so many questions all are giving correct answers. thank you for this Wonderful vedio......Keep doing such vedios.........
Couldn't have found a better video. Kudos!!
In the 2nd sum 2016 is also a leap year.. didn't understand why we didn't do "-1" there
-1 is only done for a leap year if it falls before 29 feb
2nd question falls on October,2016 that's why no subtraction needed
@@drakehopkins5931 bro if it's before 29th February we have to subtract 1 right ???
@@zeshundiaries5699 and a leap year, yes
otherwise there is also another trick i.e. for a leap year the monthly codes of january and february will be 6 and 2 respectively then you dont have to subtract
Only subtract by 1 in case the year is a leap year and the months are either January or February.
A lot tnx for your precise presentation, sometimes a teacher like you save our time. Tnx again
Thanks a lotttttttt for this video...❤️❤️❤️❤️❤️❤️❤️❤️
For several days I was trying to solve this problem but I couldn't...
Now I have understood the concept..
Once again thanks a lot for your effort...
Best video for Calendar Questions. 👏
Ma'am thank you, you have cleared all my doubts on calendar.
If the year is leap year we have to subtract 1 from last answer ex the 2016 is leap year we have to subtract 3-1=2 the day is Tuesday will u pls help me to solve this dought
How to identify a leap year
Super teaching exlent Madam ❤😊
Beauty with brains! Thank you for the video...Very Helpful!
you are the best teacher ever, so grateful to you ma'am
is 2016 not a leap year y mam not subtracted 1 to answer anyone please answer?
Thank You Maam ,I have test tomorrow and your lecture really helped me .....
Thanks a Lot mam.🙏
We have to subtract one form only first two months (jan&feb) while calculating a day of leap year.
yes ... that's what maam didn't told .
thanks for information
It's excellent teaching mam.. Tq mam for giving this video... Most useful to me.. 😊😊
#😘The way your theaching is, as smart as you mam❤️🙏
in leap year only for the month january and february 1 will be subtracted from the ultimate answer. Btw thank you for the awesome class mam.
Last part was difficult to understand because the Bindi was missing🥲
us bro us😥
Ma'am
I have calculated these days 15august 1947 with the same procedure as u discussed in lecture but I got answer is SUNDAY. but the ans is different that is FRIDAY.
I think u did it wrong...
Thank you sister for helping with this brilliant lecture.
Glad it was helpful!
Morning 12 to 1 i saw this video and 2 questions were there in afternoon, thank you soooooo much madam
She has explained it really well!
is 2016 not a leap year y mam not subtracted 1 to answer anyone please answer?
Thank uh so much for saving me❤️literally helpful for my final exams❤️
Thanks you mam I am upsc aspirants the method that you're giving us is literally amazing 🙂
Glad to hear that
If the year is leap year we have to subtract 1 from last answer ex the 2016 is leap year we have to subtract 3-1=2 the day is Tuesday will u pls help me to solve this dought
@@MrDanielVlogs "In case of leap years, only subtract 1 from the last remainder for January and February. For the rest of the month, ie, March to December, the last remainder determines the day of the month"
@@susmithkumar7142Thanks buddy💯
Bro did u entered in upsc
Thanks mam i have watched 9-10 videos but didn't get the clarity but you explained very well 🥇🥇
Mam your way of teaching makes me confidence in calendar problem s👌
For year 2024, which previous year's calendar can be used ?
Thank you so much mam. Got a doubt regarding the leap year. 2016 is also a leap year and there you werent subtracting 1 from the remainder you got. Is the leap year concept only applicable to the month of feb ?
In leap year we only subtract 1 for the dates before 1st march
@@shubh4anshu109 thank u so much for telling i was mired in one question but after i read comment section and found out that others are even facing the same problem i am facing but then there you were replying to the doubts which others had. it was really helpful. keep helping :)
@@RiyaSharma-fg6wc thank you so much 😇 your comment will definitely made my day.
@facts of india ❌
@@shubh4anshu109 thank you
Worth watching this video very very helpful thank you ma'am🙏
Simple, easy to understand and its very interesting to solve problem thank you...
You are welcome
Love u medam I am from Karnataka.. TQ so much
Only Concept, No Nonsense.... thank you mam
Ma'am I think you have made a mistake at 8:50 in this video. When we divide 2 with 4 it's gonna be 1/2 or 0.5 right?
why didn't you subtract 1 from the remainder in the year 2016(which is a leap year), (6:25)
Yes
S bro
Same doubt 😬😬..
But they didn't reply.
You have to subtract 1 only if it is the first 2 months of a leap year i.e JAN and FEB
In 2016....there was an error....31÷7=4...then 4-1(coz leap year)=3 that is Wednesday
Your teaching method is brilliant 👏👏👏
THANK YOU SO SOO MUCH MA'AM!!! YOU HELPED A LOT OF STUDENTS INCLUDING ME WITH THIS TOPIC😭
amazing tricks you gave. earlier i was taking a lotta time for these questions. now they can be done in just a few seconds. :)
is 2016 not a leap year y mam not subtracted 1 to answer anyone please answer?
I don't know it is understanding or not but it is not boring for watch ❤😂
Really good ma'am... but if u explain the introduction concept some more clearly... it's should be much better... Really thank u
Medam sir medam anthe 👌👌👍👍❤️❤️.
Thank you so much mam for making us understand the concepts in such a good way...I think every concept of my related to Callender is clear now...thank u❤❤
I think u can do better if u solve ur own style
Hii
Medam baghane cheputhandhaa
is 2016 not a leap year y mam not subtracted 1 to answer anyone please answer?
Thank you, I think we can shall may ( or any suitable helping verb ) understand how weeks are designed and week of six eight nine till 21 days can shall may ( or any suitable helping verb ) be formed..
You are nothing but a good teacher 😅🌼
is 2016 not a leap year y mam not subtracted 1 to answer anyone please answer?
Thank you mam helping me such great thing for freshers...to know about tricks.. 👍
5th oct 2016 is a leap yr but u didn't subtract a day why......?
And did for other leap yr
same question...
It's the concept of date falling before February or the date is falling after February....if it's on or before February then we need to subtract 1...if it's after February ,even though it is a leap year ,there is no need of subtracting 1
@@arka9710 if the date is on 1st jan 2016 we want to subtract 1 or not
@@gokulakrishnan1626 yes.subtract 1
thanks madam, for clearing different types of problems
In the year 2001 are present,the last two digit is 01 then how to divide by 4 can you explain mam?
0 will be the quotient in this case
@@vijendrameena6861 tq
understands quickly witht ur valuble tricks
Thank you mam for giving clear explanation
tq madam i love your communication i impress you superrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr
Mam one point to be noted that in leap year, we can subtract 1 from remainder then we get correct day.But this applicable only in month of jan and Feb.
If other month is given apart from jan and Feb in a leap year then we cannot subtract 1 from remainder ,then only se can get correct answer.
Maam your maths explanation is good but your english speaking is marvelous which makes us easy to understand
I thought calander questions are very difficult ...after i watched ur video it's really simple to do....thank you so much 😄
Thanku so much for ur great explanation mam
I saw a video of length close to 2 hours where he gave lecture till part 2...u completed all the parts in 22 mins...wow👏👏.....keep doing such videos 💐
is 2016 not a leap year y mam not subtracted 1 to answer anyone please answer?
Mee class kanaa
Meeru chalaa bagunnaru🤙🤙
simple way to understand every one keep making vedios
current affairs plz
Thank you so much....it helps alot...
I thought it is very different but after watching your video I can do it very easily.... And I am student of NMMS this video help me alot mam... Thank you very much mam ☺️☺️👍🏼
is 2016 not a leap year y mam not subtracted 1 to answer anyone please answer?
Her calender part 1 video the last problem 2016 is a leap year but she did minus 1 from 3 but she got it correct.
Your explanation is nothing but Amazing 😉😂
Keep it up mam 👍
😂😂was searching for this comment only!
is 2016 not a leap year y mam not subtracted 1 to answer anyone please answer?
You are nothing but fabulous ma'am
mam could u please tell me the answer to this question what was the day of the week 16th july1776
Tuesday
It's a tuesday
@@bhagyalakshmisaigeeda4327 how
mam u looks so pretty and way of teaching next level..................
Thank you ma'am ...it helped me a lot to be thorough with this concept
Glad to hear that
Clear explanation . got it in one go
I have a doubt... in the first part... last sum it was 5th Oct 2016.. y you haven't subtracted 1 from the final answer
Remember sister only substract 1 for january and february...for other month no need to substract thats why not substracted
because it is not leap year.if the given year is leap year then we should subtract 1 at the last.
Ohh... if the year is a leap year and if the month is jan or feb.... only then subtract 1 from the remainder rightt??
I have the same doubt!
@@harichandranag2158 if there is a leap year then only substract 1...
I have a doubt I tried doing one question
But it came wrong
24 Dec 2004 what day ?
04+01+24+6+5= 40
40/7=5
As a leap year 5-1=4= Thursday but it's Friday . Idk why came wrong , I think My steps are right ,
Can u pls let me know what wrong I did
How are we meant to remember all the numbers that correspond to the time and dates if we are not allowed notes in the test? PLEASE RESPOND AS SOON AS POSSIBLE
Idk man
Just rehearse it..
But ma'am in second example 2016 is also a leap yr....
yup, even i saw that. confused me so much but its a mistake
Right, even I observed that
I feel the logic of decreasing the remainder is only done when we calculate for a date in February of a leap year
Tried example of 28th October 2012 got 49/7 i.e remainder is 0 so a Sunday, which itself is correct without decreasing the remainder
Hope this helps
2016 bi to leap year h jo apne 1st exmpl liya h ..theen tre comes ..tuesdy
Bro just remember one Thing in a leap year Do" minus 1 " For remainder only for months of January and February, Dont do minus 1 for months march - December for Leap year . I guess madam has forgot to tell this point .
@@avulaakshith770 oh thanks had the same doubt
@@aleenafarooqui3890 welcome 😊
@@avulaakshith770 but while solving for april20,1984, I can't get the answer unless I subtract 1 from remainder
@@noonecanfindme98 you might have missed any step , Or you might have done some calculation error , pls check because im getting correct answer without doing any subtraction.
Thank you....nice explanation....
Your logic isn't working for February kindly help me
Bro
I can help you
Send me your insta id
Very Useful with Interesting, Many Thanks to you Teacher..!
U r awesome maaaam.......... Pls do upload such incredible videos more and more for the well being of aspirants,,,, out there.. Well done maamm, , my confusion regarding calendar got cleared,,, Satisfied with your teaching
is 2016 not a leap year y mam not subtracted 1 to answer anyone please answer?
I am a big fan for u mam...I wish syllogism for Bank exams completely ...hope you fulfill our wis 😍
syllogism concept: th-cam.com/video/KtgfPxGbTCc/w-d-xo.html
@@freshersworld THANK U MAM 😍😍
Ma'am I really liked your accent
Your looking so Beautiful...
I loved ur teaching