Subject :NSO Class : Class 8

Two series in two rows are given below. In the first row, a full series is given which follows a specific pattern. The second row has a series, similar to the first series but only first element of this series is given, followed by (i), (ii), (iii), (iv) and (v), representing the subsequent elements. Complete the series and answer the question that follows :

A21

B23.5

C19.5

D16