There are three places P, Q and R such that 3 roads connects P and Q and 4 roads connects Q and R. In how many ways can one travel from P to R? Options: A) 8 B) 10 C) 12 D) 14 E) 15
Number of ways in which one can travel from P to R   =3×4=12   Answer: Option 12
<result>C</result>
There are three places P, Q and R such that 3 roads connects P and Q and 4 roads connects Q and R. In how many ways can one travel from P to R?