Question

$164+255=$ $?$

• A. 419

Answer 1

The correct option is A 419
$164+255=$

Aligning both the numbers according to Place value table,


For adding these two numbers we need to add the like terms of both the digits together i.e. digits at ones place will be added together, digits at tens place will be added together and so on..


As we can see that the addition of digits at ones place resulted in $9$ and addition of digits at tens place $=11$, so

$11$ Tens $=10$ Tens $+1$ Tens

$10$ Tens $+1$ Tens $=1$ Hundreds $+1$ Tens.

Therefore, we will keep the digit $1$ at Tens palce and give $1$ as a carry to digit at Hundreds place.


Therefore, $164+255=419$.