Choose the correct options for the following questions.
$\frac{16!}{5!}+\frac{16!}{5!}$=
Difficulty: Easy
A:
11!
B:
$\frac{16!}{11!}$
C:
$\frac{5!}{2!}$
D:
$\frac{17!}{6!}$
In how many ways can 5 boys and 5 girls be seated in a circle, so that no two boys are together
Difficulty: Easy
A:
4! 5!
B:
4! 4!
C:
5! 5!
D:
$\frac{4! 4!}{3!}$
How many words beginning with C and ending with Y can be formed from the letters of the word COURTESY?
Difficulty: Easy
A:
6!
B:
7!
C:
8!
D:
$\frac{8!}{2!}$
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