Q:

A) 4 is adjacent to 6 | B) 2 is adjacent to 5 |

C) 1 is adjacent to 6 | D) 1 is adjacent to 4 |

Answer: A) 4 is adjacent to 6

Explanation:

Explanation:

If 1 is adjacent to 2, 3 and 5, then either 4 or 6 lies opposite to 1. So, the numbers 4 and 6 cannot lie opposite to each other. Hence, 4 necessarily lies adjacent to 6.