Question

Find the missing digits ($B$) in the following addition.

$222$

$+$ $8$

$+$ $BB$

$\overline{285}$

Answer 1

$222$

$+$ $8$

$+$ $BB$

$\overline{285}$

Now $2+8=10$

Also last digit is $5$.

$\therefore$ we must have total as $15$.

$\therefore 15=10+B$

$\therefore B=5$