Will someone please check my answers?

1)Ping is deciding what to choose for dinner from a menu. He can choose 1 of 4 pasta meals, 1 of 6 chicken meals, or 1 of 3 fish meals. How many ways can Ping choose a dinner meal?
a)13<----
b)18
c)27
d)72

2) How many permutations are there for the letters in the word REARRANGED?
a)907,200
b)604,800
c)302,500
d)151,200<----

3) Lisa can choose 3 of her 10 friends to come with her family on a camping trip. How many ways can she choose the friends that come with her?
a)30
b)120<----
c)720
d)5040

4)Lidia is packing her suitcase in the dark, so as to not wake her little sister. She blindly chooses 2 of her 6 sweaters. What is the probability that she chooses her 2 favorite sweaters?
a)1/12
b)1/15
c)1/30<----
d)1/36

5) What is the probability of spining a 3 on the spinner. The spinner has the numbers 3,2,1,2,1,3,2,1 starting clockwise.
a)1/4
b)1/3
c)3/8<----
d)3/5

3 answers

Number 4 is 1/15 and number 5 is 1/4. I had them chcked by my older sister. She's very smrt in math.
kjh;
Useless