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# Quick: What is 11 * 530901

11 * 530901
5839911  100%  [ 4 ]
3468540  0%  [ 0 ]
5839912  0%  [ 0 ]
> Answer Choices given  0%  [ 0 ]
< Answer Choices Given  0%  [ 0 ]
I'm not smarter than a Middle-school student. :(  0%  [ 0 ]

Ircher
Answer in less than 2 minutes please. Oh yeah, pencil/paper AND calculators ARE NOT ALLOWED; only your mental cap.

Edit: Apparently, everyone is to dumb (not trying to be mean) to do this in his or her head, so I AM now letting you use paper and pencil if necessary.
CHAOS-THEORY
i hate maths; i dont think i ll be able to resolve it even with a calculator xDDDDDD i dont wanna think anyway.
_____________________________
wow nice then; i hope i ll be present that day (;
Ircher
 CHAOS-THEORY wrote: i hate maths; i dont think i ll be able to resolve it even with a calculator xDDDDDD i dont wanna think anyway.

Hey, I will teach you a cool 11's trick when the poll is over in a couple of days, okay? It works better with less digits, but I find it faster than doing the multiplication itself.
Bikerman
You mean the one where you sum the digits and put the sum in the middle?
Thus 24*11 = 2 (2+4=6) 4 = 264, 18*11 = 1 (1+8=9) 8 = 198 etc etc?
It is a useful shortcut.
Ircher
 Bikerman wrote: You mean the one where you sum the digits and put the sum in the middle? Thus 24*11 = 2 (2+4=6) 4 = 264, 18*11 = 1 (1+8=9) 8 = 198 etc etc? It is a useful shortcut.

That I believe is correct; why don't you vote for the poll?
Bikerman
Well, I think it's obvious that I know the answer and I'm not really a fan of polls where there is a factual answer because they tend to give the impression that opinion matters in such things whereas, of course, it doesn't.
Arrogant
5839911
Arrogant
when you do 11 * 530901, the last digit must be 1 and answer must be one of the options
So it must be a.