In each of these questions a number series is given. After the series, a number is given along with (a), (b), (c), (d) and (e). You have to complete the series starting with the number given to find the values of (a), (b), (c), (d) and (e) applying the same pattern followed in the given series. Then answer the question given below each.
7, 9, 18, 21, 63, 67, 268
(a), (b), (c), (d), 39, (e)
Q. What is the value of (b) in the series?