Answer:
<u>Step-by-step explanation:</u>
a) Number of arrangements in which bride is not next to the groom
= Total number of arrangements - Number of arrangements in which bride and groom are next to each other
= 10! - 2*9!
= 2903040
b) Number of arrangements such that groom is not at the leftmost position
= Total number of arrangements - Number of arrangements with groom at leftmost position
= 10! - 9!
= 3265920
c) Number of ways such that groom is not at one end
= Total number of arrangements - Number of arrangements with groom at one end
= 10! - 2*9!
= 2903040
The answer for your question is:
<em>C: Rectangle</em>
(24 ÷ 3) + 3 = 8 + 3 = 11
11-7= 4
The distance is 4 units.
