Question

Round each addend to the nearest rupee.

Estimate the sum

Answer 1

Rounding off the each addend to nearest rupee,

$$\begin{gathered} ₹2.42\underset{Roundedofftonearestrupee}{\to }₹2.00 \\ ₹1.73\underset{Roundedofftonearestrupee}{\to }₹2.00 \end{gathered}$$

Now, estimated sum is

$$\begin{gathered} =₹2.00+₹2.00 \\ =₹4.00 \end{gathered}$$

Hence, the estimated sum is $₹4.00$