Question

Find the sum by suitable rearrangement:
$1962+453+1538+647$

Answer 1

$1962+453+1538+647$ can be written as:
$$\begin{gathered} =\left(1962+1538\right)+\left(453+647\right) \\ =3500+1100 \\ =4600 \end{gathered}$$ ( By using associative property)
Hence the value of $1962+453+1538+647=4600$