composite numbers less than 12={1,3,4,6,8,9,10}
using the LCD method.... well, there are a couple of ways, but let's simply add them up.
well, the denominators are 5x and 2x... so the only LCD will just be 10x, since it's divisible by both, so let's use that one.

Answer:
y
=
4
3
x
−
6
Step-by-step explanation:
The formula of combination is

We have

and


Hence, there are 1001 ways of arranging 10 records from 14 records
Option two is the correct answer
Hope this helps :)