King
  • King
By what number less than 2 must be multiplied so that the last 3 figures on the right end of the product may be 791
Mathematics
jamiebookeater
  • jamiebookeater
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King
  • King
igs hellp man....atleast try
King
  • King
@JamesJ ,@Tomas.A ,@Diyadiya help guys help!!!
King
  • King
help callisto!

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King
  • King
this frm real numbers chapter
lgbasallote
  • lgbasallote
oh man...im weak with these things @_@
King
  • King
@Callisto u are the only one with a chance of doin this...so do u know how to do it?
Callisto
  • Callisto
Sorry i don't even understand the question :( what number less than 2 <-- does it mean a single number?
King
  • King
yeah there is some number...its related to HCF AND LCM THROUGH EUCLID'S DIVISION LEMMA
Callisto
  • Callisto
Sorry haven't learnt that :(
anonymous
  • anonymous
Word it right, you worded it so complex.
King
  • King
its a problem in my phase-4 fiitjee package..i gave it to u the way it is worded
King
  • King
but i dont understand answer is 871
King
  • King
oh sry wait its by what number less than 2must be multiplied with 43521.....
King
  • King
i by mistake frgt to mention 43521....:/
anonymous
  • anonymous
Oh
King
  • King
so?
anonymous
  • anonymous
Let x be the number, (435*100,000 + 521)*x = adasd...fsh791 So, last digit of x must be 1. The answer is clearly 871, but I did this problem with logic and it's really tough to explain logic unless your communication skills are really impressive. So... I am gonna tag @FoolForMath and @Mr.Math to see if they know some trick or the method you mentioned above.
anonymous
  • anonymous
btw basic multiplication is what I used.
King
  • King
its 43521
King
  • King
not 43500521
anonymous
  • anonymous
(435*1000 + 521)*x = adasd...fsh791
anonymous
  • anonymous
My bad
King
  • King
its 43*1000 +521 or 435*100+21 rite?
King
  • King
435*1000 + 521)=435521
anonymous
  • anonymous
yeah, again my bad :/
King
  • King
oh and u can use any method......
anonymous
  • anonymous
but it doesn't matter, just get the 521 separately and then multiply it my x (the assumed number).|dw:1332944499486:dw|
anonymous
  • anonymous
by* not my ...and sorry for the bad handwriting.
anonymous
  • anonymous
871 is the answer, if you know the one line multiplication then this problem is a 10 seconder ;)
King
  • King
@Ishaan94 what hav u done in the diagram can u post a normal reply the diagram is very messy so i cant understand anythin..................
anonymous
  • anonymous
http://i0.kym-cdn.com/entries/icons/original/000/007/423/untitle.JPG I already told you, it's hard to explain. I don't wanna word it out.
anonymous
  • anonymous
@King , see my answer below. Hope u understand.
anonymous
  • anonymous
Please check the attached document. Hope u r clear now.
1 Attachment
King
  • King
Thnx @Aadarsh!!
anonymous
  • anonymous
Most welcome.

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