UPSC Prelims 2020 · CSAT (Paper 2) · Q34

General Mental Ability

Medium · Sequence counting

Consider the following sequence of numbers:

1 3 2 5 7 4 9 1 6 3 5

8 7 9 2 1 3 4 5 7 6

How many odd numbers are followed by an odd number in the above sequence?