Question

Study the following number line and answer the questions that follow.
2 5 9 1 7 2 5 1 9 7 3 9 5 2 4 6 8 1 9 7 5 2 7 3 1 9 7 8 5 2 6 5 4 1 9 7 8 2 0 1 0 9 7 8 5 1 9 7 3 5 1 6 9 7 2 1 7 3 7 9 5 1

How many times is number 5 followed by 1 or 2, but not preceded by 8 ?

• A. 4
• B. 5
• C. 6
• D. 7

Answer 1

The correct option is B 5

Number of times 5 is followed by 1 or 2 but not preceded by 8 is 952, 752, 852,351 ,951.

Answer is Option B