Find the odds for and the odds against the event rolling a fair die and getting a 4 comma a 2 comma a 1 comma or a 6.

the odds for the event are to

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

What is always true when two whole numbers are subtracted?

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?