Question

Find the missing number:

$3,9,27,81,.....$

• A. $243$
• B. $324$
• C. $342$
• D. $432$

Answer 1

The correct option is A $243$

Each number is obtained by multiplying the previous number by $3$.

Hence, pattern is $3,3\times 3,9\times 3,27\times 3,.....$
$\therefore$ Missing number $=81\times 3=243$.