Question

Find the missing number.

$6,12,21,\_,48$

• A. $38$
• B. $40$
• C. $45$
• D. $33$

Answer 1

The correct option is D $33$

Given series is $6,12,21,\_,48$

Here $12-6=6$

$21-12=9$

Now, difference is of $12$.

$21+12=33$

$48-33=15$

Hence, the answer is $33$.