Six buses B1, B2, B3, B4, B5 and B6 are parked around a circular path (not necessarily in the same order). B3 is third to the right of B6. B4 is to the immediate left of B1. B2 is second to the left of B6. How many buses are between B5 and B1?

2

Answer: 2

In this question you need to first place B6, B3 and then place B2. Then the remaining will be easy to place