Question

In the following question, the numbers/letters are arranged based on some pattern or principle. Choose the correct answer for the term marked by the symbol (?)

$6,9,18,21,30,?$

• A. $38$
• B. $33$
• C. $36$
• D. $39$

Answer 1

The correct option is B $33$

$6,9,18,21,30$
Alternate series difference is common
$\therefore 30+3=33$