Sequence Riddle: Find the Missing Numbers in the Series
Leave your answers to the riddle in the comment section below.
Look at the series of numbers below and find the value of the missing numbers.
VII, 10, V, 15, ?, ?, I, 25
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There are 2 alternating series in this sequence.
In the first series the roman numerals are reduced by 2
i.e. VII, V, III, I …
in the second series the numbers are increased by 5 each time in the series;
i.e. 10, 15, 20, 25 ….
So the missing numbers in the sequence are as follow;
Answer: III, 20.