tag:blogger.com,1999:blog-6342984450790569816.post8031419321084887046..comments2019-02-17T21:51:47.085+06:00Comments on Burning Math: How to check if a number is a Perfect SquareMainul Maksud Quaesnoreply@blogger.comBlogger48125tag:blogger.com,1999:blog-6342984450790569816.post-1176272065808234192018-07-12T20:31:56.860+06:002018-07-12T20:31:56.860+06:00Thank u sooooo much i am a student of 7th when I...Thank u sooooo much i am a student of 7th when I was in 6th there was nothing hard to search on internet but now suddenly I have a very hard course of maths subject and first time I am understood at first time and without any confusion now I'm the fan of this "Burning math"..... Again thanks I am vaishnavi. S. Singh<br />Sudha S Kumarihttps://www.blogger.com/profile/05340328250699357730noreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-46268030210417312032018-07-03T20:03:10.432+06:002018-07-03T20:03:10.432+06:00No because ends with odd number of zeroesNo because ends with odd number of zeroesUnknownhttps://www.blogger.com/profile/02957066029491853798noreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-22576102862739839042018-06-05T10:33:46.347+06:002018-06-05T10:33:46.347+06:00we have two conditions.
1. if number ends with 2,3...we have two conditions.<br />1. if number ends with 2,3,7,8 its not an perfect square.<br />2. if digtal root is 1,7,4,9 the number may be a perfect square.<br /> means if digital root is other than 1,7,4,9 we can say for sure that the number is not perfect square but the converse is not trueTECH stuffhttps://www.blogger.com/profile/14625206261224073673noreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-43482032791540022122018-03-05T14:26:39.538+06:002018-03-05T14:26:39.538+06:00This trick hasn't any sense... Not satisfying...This trick hasn't any sense... Not satisfying all conditions satyajit sahoohttps://www.blogger.com/profile/14706630698652749800noreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-71450493251665193192018-03-05T13:15:52.683+06:002018-03-05T13:15:52.683+06:00Please explain this :
If a number is divisible b...Please explain this : <br /><br />If a number is divisible by 4, its square leaves a remainder 0 when divided by 8.<br /><br /><br />Square of even number not divisible by 4 leaves remainder 4 while square of an odd number always leaves remainder 1 when divided by 8.pratikhttps://www.blogger.com/profile/09561430553966687462noreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-61120364114502977382018-03-05T13:14:50.098+06:002018-03-05T13:14:50.098+06:00Square of even number not divisible by 4 leaves re...Square of even number not divisible by 4 leaves remainder 4 while square of an odd number always leaves remainder 1 when divided by 8?<br />what do you mean. plz explain with examplepratikhttps://www.blogger.com/profile/09561430553966687462noreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-40863841900804354772018-02-22T13:31:01.741+06:002018-02-22T13:31:01.741+06:00Square of even number not divisible by 4 leaves re...Square of even number not divisible by 4 leaves remainder 4 while square of an odd number always leaves remainder 1 when divided by 8?<br />what do you mean. plz explain with example<br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-49370725332553145402017-10-12T22:02:10.277+06:002017-10-12T22:02:10.277+06:00What about the number 945729 ? Its digital root is...What about the number 945729 ? Its digital root is 9 but its not a perfect square.How?Muskan Goenkahttps://www.blogger.com/profile/03598477154641014983noreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-2104238927515545412017-10-12T10:03:33.158+06:002017-10-12T10:03:33.158+06:001024 is a perfect square (of 32)
However digital r...1024 is a perfect square (of 32)<br />However digital root is 7. Explain? KayBeehttps://www.blogger.com/profile/17983366877505871657noreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-79148114479248488222017-10-11T16:42:49.040+06:002017-10-11T16:42:49.040+06:00What about 99976 which give previous digit to be 7...What about 99976 which give previous digit to be 7odd ,on division it gives remainder to be 1Unknownhttps://www.blogger.com/profile/11840372577612728280noreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-37537325424613519642017-08-16T03:12:14.794+06:002017-08-16T03:12:14.794+06:00Some are saying this rule fails and all... common ...Some are saying this rule fails and all... common fellas.. <br />This rule helps to find if a number is a imperfect square... <br />if a number let say 2356 satisfies all above rules, still we cant guarantee that the no is a perfect square. it only helps to channelise imperfect squares and not to tell that it is a perfect square Nitinnoreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-38954412827978768942017-07-12T08:09:48.234+06:002017-07-12T08:09:48.234+06:00Digital root is the sum of all digits to get one d...Digital root is the sum of all digits to get one digit. 81 does not fail step two as its digital root is 9. Numbers with digital roots 2,3,7,8 are not perfect squares..Unknownhttps://www.blogger.com/profile/17854793221782379828noreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-59025766132713114072017-06-23T21:50:27.612+06:002017-06-23T21:50:27.612+06:00Subtract 1 from given number and see that obtained...Subtract 1 from given number and see that obtained number divisible by 3 or sum of digits of obtained number is 8, then the given number is perfect square.chiruhttps://www.blogger.com/profile/12441096401339706161noreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-79855675647192027582017-05-09T11:39:21.720+06:002017-05-09T11:39:21.720+06:00i want reasons to show that 13,32,18,4487 are non ...i want reasons to show that 13,32,18,4487 are non perfect squaresNandita lakshmihttps://www.blogger.com/profile/11312994973209906030noreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-27284872009573359552017-03-16T03:49:10.614+06:002017-03-16T03:49:10.614+06:00If a perfect square is divisible by 4, but not 8, ...If a perfect square is divisible by 4, but not 8, its remainder from 32 is always 4Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-7339488273431486072017-03-10T00:52:38.166+06:002017-03-10T00:52:38.166+06:00184 is not a perfect square whil it's digital ...184 is not a perfect square whil it's digital root is 4.<br />Can anybody tell me why??? Unknownhttps://www.blogger.com/profile/13980676162907783235noreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-44464405157346631582017-03-08T13:51:38.228+06:002017-03-08T13:51:38.228+06:00According to your rules 99976 should be a perfect...According to your rules 99976 should be a perfect square but it is not a perfect square numberPADUGAISIVhttps://www.blogger.com/profile/15863974211529364993noreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-56217386541314038702017-03-01T19:45:33.868+06:002017-03-01T19:45:33.868+06:00It is not perfect square because, the last digit i...It is not perfect square because, the last digit is 9(odd) and the penultimate digit is 7 which is also odd. The penultimate digit has to be an even number, to make the number perfect square.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-41648673473378533732017-02-18T14:21:44.755+06:002017-02-18T14:21:44.755+06:00It satisfies. Digital root should be 1, 4, 7, or 9...It satisfies. Digital root should be 1, 4, 7, or 9. Unknownhttps://www.blogger.com/profile/00079716643510039319noreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-21955248359060771112017-02-17T15:43:51.963+06:002017-02-17T15:43:51.963+06:00A few numbers can't be checked by using this m...A few numbers can't be checked by using this method.SRINIVAS REDDY Gudiboinahttps://www.blogger.com/profile/09552676590316180925noreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-74472252444619143362017-01-11T17:55:24.584+06:002017-01-11T17:55:24.584+06:0010211021Sandesh Kamblihttps://www.blogger.com/profile/16692690020543824067noreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-34425024316397684232017-01-07T22:54:36.062+06:002017-01-07T22:54:36.062+06:00what about 4356
As per above explanation
step 1 ...what about 4356 <br />As per above explanation <br />step 1 satisfied<br />step 2 not satisfied. Digital root is 9.<br />But still it is a perfect square of 66<br />I dont think this concept will work always.Hilam Patelnoreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-71293567465477696362017-01-07T10:18:39.380+06:002017-01-07T10:18:39.380+06:00679/7=97
Reminder is 0 but it is not perfect squar...679/7=97<br />Reminder is 0 but it is not perfect square numberUmesh Hukkerihttps://www.blogger.com/profile/08550525412663583638noreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-76457658875194846982016-11-12T13:39:00.817+06:002016-11-12T13:39:00.817+06:00Using this method we can only determine if a numbe...Using this method we can only determine if a number is not a perfect square. That to only to an extent. You still need factorization to come to a final conclusion.Pratyush Raizadahttps://www.blogger.com/profile/07096003909708384378noreply@blogger.comtag:blogger.com,1999:blog-6342984450790569816.post-41490266369445987122016-10-18T13:58:23.979+06:002016-10-18T13:58:23.979+06:009981 is perfect square or not....can any one expla...9981 is perfect square or not....can any one explain this correctlysurendra aagrihttps://www.blogger.com/profile/04149518644095656871noreply@blogger.com