Question

Suppose there are four roads from station A to station B and 3 roads between station B and station C. Find the number of ways in which one can drive from station A to station C via station B.

• A. 16
• B. 12
• C. 7
• D. 4

Answer 1

The correct option is B

12

There are four ways in which one can drive from A to B and for each way from A to B, there are three ways to drive from B to C. By FCPP, the total number of ways one can drive from A to C via B is 4 x 3 = 12