Question

1. How many ways can you arrange the letters in the word MOMMY

A. 20
B. 25
C. 60
D. 120

2. A bag of marbles has 3 red, 2 blue and 5 white marbles in it. What is the probability of reaching in and selecting a white marble ?

Answer 1

1.
`(5!)/(3!)` which is further simplified to
`5*4` which is 20.


2.
`(5)/(5+3+2)= (5)/(10)= (1)/(2)`