Question

In each of the following guestion there is a number series with one term missing. which is shown by question mark (?). Find the missing term out of the given alternatives.
6, 7, 7, 10, 9, ?, 12, 16, ?

• A. 12, 16
• B. 12, 15
• C. 13, 15
• D. 13, 16

Answer 1

The correct option is D 13, 16

It is a combination of two series
I : 6, 7, 9, 12, ? [+1, +2, +3, +4,.......]
II : 7, 10 ? 16 [ +3, +3,....]
$\Rightarrow$ 13, 16