Question

$$\begin{gathered} 1\times 8+1=9 \\ 12\times 8+2=98 \\ 123\times 8+3=987 \\ 1234\times 8+4=9876 \\ 12345\times 8+5=\_\_\_\_\_\_\_ \\ 123456\times 8+6=\_\_\_\_\_\_\_ \end{gathered}$$

• A. $98765$
• B. $987654$

Answer 1

Gien:

$$\begin{gathered} 1\times 8+1=9 \\ 12\times 8+2=98 \\ 123\times 8+3=987 \\ 1234\times 8+4=9876 \\ 12345\times 8+5=98765 \\ 123456\times 8+6=987654 \end{gathered}$$

Observing the entire pattern it is simple that the order of digits are decreasing according to step wise.