1y3y6is divisible by 11.

It is given that, 1y3y6 is divisible by 11.

Then, we have (1 + 3 + 6) – (y + y) = 0,11,22,…

=> 10-2y= 0,11,22,…

=> 10-2y = 0 [other values give a negative number]

=> 2y = 10

=> y= 5