Question

How many even numbers are there in the following sequence of numbers which are immediately followed by an odd number as well as immediately preceded by an even number?
8 5 8 6 7 6 8 9 3 2 7 5 3 4 2 2 3 5 5 2 2 8 1 1 9 3 1 7 5 1

• A. 2
• B. 3
• C. 4
• D. 5

Answer 1

Answer: (C)

4

We have to find out even number - even number - odd number sequence.
$858\underset{–}{6}76\underset{–}{8}93275342\underset{–}{2}35522\underset{–}{8}11931751$
There are four such such even numbers: 6,8,2 and 8.