[WARNING !] This problem may give you brain trauma

Level 2

Actually not really, lol. I just want many people solve this problem. So the story is my friend found very cool circular sequence as in the picture. What is A + B ?

The answer is 78.

2 solutions

Amal Hari
Jan 26, 2019

$A$ $number$ $in$ $this$ $sequence$ $is$ $the$ $sum$ $of$ $squares$ $of$ $the$ $each$ $digits$ $of$ $preceding$
$number.$

Luke Daely
Mar 17, 2015

16 = 4^2; 37 = 1^2 + 6^2; 58 = 3^2 + 7^2 = A; 89 = 5^2 + 8^2; 145 = 8^2 + 9^2; 42 = 1^2 + 4^2 + 5^2; 20 = 4^2 + 2^2 = B; 4 = 2^2 + 0^2 ;

[WARNING !] This problem may give you brain trauma

The answer is 78.

2 solutions

0 pending reports