This series has 2 sets in it that has its terms placed at alternate positions

- Roman numerals
- Numbers

Roman numerals keep on decreasing by value 2

Numbers keep on increasing by 5

Therefore the series is

VII, 10, V, 15, **III**, **20**, I, 25.

0 votes

Look at the series of numbers below and find the value of the missing numbers. VII, 10, V, 15, ?, ?, I, 25

...