Question

A student multiplied $7236$ by $65$ instead of multiplying by $56$.How much was his answer greater than the correct answer ?

Answer 1

Given,A student multiplied $7236$ by $65$ instead of multiplying by $56$.

So, Incorrect answer$$\begin{gathered} =7236\times 65 \\ =4,70,340 \end{gathered}$$

Correct answer $$\begin{gathered} =7236\times 56 \\ =4,05,216 \end{gathered}$$

Difference $$\begin{gathered} =4,70,340-4,05,216 \\ =65,124 \end{gathered}$$

Hence, his answer was greater than the correct answer by $65,124$.