Question

If three consecutive even whole numbers are added together the result is 42. Find the numbers.

Answer 1

$$\begin{gathered} \mathrm{Let}\mathrm{the}\mathrm{consecutive}\mathrm{even}\mathrm{whole}\mathrm{numbers}\mathrm{are}x,x+2\mathrm{and}x+4 \\ \mathrm{Now},\mathrm{according}\mathrm{to}\mathrm{question}, \\ x+x+2+x+4=42 \\ \Rightarrow 3x+6=42 \\ \Rightarrow 3x=36 \\ \Rightarrow x=12 \\ \mathrm{Now},\mathrm{required}\mathrm{numbers}\mathrm{are}:12,14,16 \end{gathered}$$