There are 15 cans in the refrigerator. 7 of them are red and 8 of them are blue. In how many ways we can remove 8 cans so that at least one red and at least one blue cans to remain the refrigerator. Answers
A) 460  B) 490  C) 493  D) 455  E) 445
Answer: 490.
<result>B</result>
There are 15 cans in the refrigerator. 7 of them are red and 8 of them are blue. In how many ways we can remove 8 cans so that at least one red and at least one blue cans to remain the refrigerator.