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

Solution

## The correct option is B $$33$$$$6,\,9,\,18,\,21,\,30$$Alternate series difference is common$$\therefore\;30+3=33$$Mathematics

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