Question

By suitable rearrangement , find the value of :

$1638+547+1862+453$

Answer 1

Given,

$1638+547+1862+453$

$=\left(547+453\right)+\left(1638+1862\right)$ [ using associative property of whole number ]

$$\begin{gathered} =1000+3500 \\ =4500 \end{gathered}$$

Hence , the required value is $4500$ .