Find 44 x 44

Level pending

If 11 ⊗ 11 = 4 , 22 ⊗ 22 = 16 , and 33 ⊗ 33 = 18 , 11 \otimes 11 = 4, \hspace{.2cm} 22 \otimes 22 = 16, \text{ and } 33 \otimes 33 = 18,

then what is 44 ⊗ 44 ? 44 \otimes 44?


The answer is 19.

Aabidh Zubair by Aabidh Zubair , 26, India

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15 solutions

Aabidh Zubair
Sep 6, 2014

11 * 11 = 121....1+2+1=4

22 * 22 = 484....4+8+4=16

33 * 33 = 1089....1+0+8+9=16

therefore 44 * 44 = 1936.......is,1+9+3+6=19

57 Helpful 1 Interesting 0 Brilliant 0 Confused

LOL. That was unepected.

Joeie Christian Santana - 6 years, 8 months ago

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i thought that (1 +1)x(1+1) = 4 (2 + 2) x (2 + 2) =16 but with 33 x 33, i was wrong and couldn't find the answer, that was unexpected =))))

Quang Trung Nguyễn - 6 years, 7 months ago

well said lol xD

Suleman Mughal - 6 years, 7 months ago

theoretical answer 11 11=4, 22 22=16 33 33=18, 44 44=64
actual answer 11 11=121, 22 22=484, 33 33=1089, 44 44=1936 divide the real answers by the theoretical answers and you get 30.25 divide 1936 by 30.25 and you get 64. I got 64

Tanner Krause - 6 years, 5 months ago

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1089/18 is not 30.25.

Dai Wei Lee - 5 years, 5 months ago

Can you explain why 64 could be right?... That agrees with my solution! I had 64 as my first guess.

Kyle Bambenek - 5 years, 5 months ago

great yr..

abubakar gul - 6 years, 7 months ago

33*33=1089....1+0+8+9=18

John Watson - 6 years, 7 months ago

مش المفروض المعادله تكون اطرافها متساويه

محمود احمد - 6 years, 7 months ago

janab 33 *33=1089....1+0+8+9=18

Abdul Samad - 6 years, 7 months ago
Manirul Islam
Nov 3, 2014

11*11=121 Now 121=1+2+1=4

22*22=484 Now 484=4+8+4=16

33*33=1089 Now 1089=1+0+8+9=18

44*44=1936 Now 1936=1+9+3+6=19

4 Helpful 0 Interesting 0 Brilliant 0 Confused
Harshit Mehta
Nov 3, 2014

I won't reveal solution completely.

Write what you actually get on multiplying 11 and 11, 22 and 22 and so on. From there relating each products with 4,16,18 would be a cakewalk. Cheers!

3 Helpful 0 Interesting 0 Brilliant 0 Confused

ans is 19. 11 11=121,1+2+1=4 22 22=484,4+8+4=16 33 33=1089,1+0+8+9=18 44 44=1936,1+9+3+6=19

2 Helpful 0 Interesting 0 Brilliant 0 Confused
Vishal S
Mar 7, 2015

11 X 11=121, sum of the digits=1+2+1=4

22 X 22=448, sum of the digits=4+4+8=16

33 X 33=1089, sum of the digits=1+0+8+9=18

Therefore 44 X 44=1963, sum of the digits=1+9+6+3=19

Therefore 44 X 44=19

1 Helpful 0 Interesting 0 Brilliant 0 Confused

please forgive me! i wont talk bad to you plz?!

sudoku subbu - 6 years, 2 months ago

11 * 11 = 121 so 1+2+1=4 22 * 22 = 484 so 4+8+4=16 33 * 33 = 1089 so 1+0+8+9=16 and now 44 * 44 = 1936 so answer is 1+9+3+6=19

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Tarun Lohani
Nov 5, 2014

44*44=1946[so 1+9+4+6=19] hence solved

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Vivek Kushwaha
Nov 4, 2014

just do the given multiplication and add the digits...

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Samir Shaheen
Nov 4, 2014

11x11 = 121 = 1+2+1= 4 22x22=484=4+8+4=16 33x33=1089=1+0+8+9=18

44x44=1936=1+9+3+6=19

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Simphiwe Ciliza
Nov 3, 2014

This one was fun!

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Aung Myat Kyaw
Nov 3, 2014

a and b are numbers consists two same digit and then a×b=sum of all individual digits of ordinary product of a and b.

0 Helpful 0 Interesting 0 Brilliant 0 Confused
Akash Anbazhagan
Nov 3, 2014

11 * 11 = 121. Do 1+2+1=4

22 * 22 = 484 .Do 4+8+4=16

33 * 33 = 1089. Do 1+0+8+9=16

44*44=1936. Do 1+9+3+6=19

0 Helpful 0 Interesting 0 Brilliant 0 Confused
Vel Murugan
Nov 3, 2014

11 x 11= 121; 1+2+1=4 22 x 22= 484; 4+8+4=16 33 x 33= 1089; 1+0+8+9=18 44 x 44= 1936; 1+9+3+6=19

19<

0 Helpful 0 Interesting 0 Brilliant 0 Confused
Alind Deval
Nov 3, 2014

11 * 11 = 121 (1+2+1=4)

22 * 22 = 484(4+8+4=12)

33 * 33 = 1089(1+0+8+9=18)

44 * 44 = 1936(1+9+3+6=19)

0 Helpful 0 Interesting 0 Brilliant 0 Confused
Mona Lisha
Nov 3, 2014

11 11=121=>1+2+1=4 22 22=484=>4+8+4=16 SIMILARY 44*44=1936=>19

0 Helpful 0 Interesting 0 Brilliant 0 Confused

I don't like it, No logic

Mohammed Soliman - 6 years, 7 months ago

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im sorry, we are teenager

Lzan Bagus - 6 years, 7 months ago

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