Question

Consider the following number sequence:

1 6 7 4 5 6 5 6 6 1 8 6 1 6 5 7 6 2 4 2 3 4 4 3 6 3

How many 6s are immediately preceded and followed by an odd number?

• A. Four
• B. One
• C. Two
• D. Three

Answer 1

Answer:

A. Four

Key Points Odd numbers are not divisible by 2. Given number sequence: 1 6 7 4 5 6 5 6 6 1 8 6 1 6 5 7 6 2 4 2 3 4 4 3 6 3 There are four such 6s which are immediately preceded and followed by an odd number. Hence, “Four” is the correct answer.