QUESTION

# Find the sum by suitable rearrangement:$1962 + 453 + 1583 + 647$

Hint: In this question we have to add the given four numbers. Now one key point here is all the 4 numbers are not of the same magnitude as some are going up to the thousandth place like 1962, 1538 while others are going only up to hundredth place like 647, 453. Simply add the unit placed digit of one number to the unit placed digit of another number and take the carry forward to add up the tenth place digit of one number to that of another number, extend this concept till the left most placed digit of every number to reach the answer.

$1962 + 453 + 1583 + 647$.
$\overline {\;\;\;4645}$