An ice cream seller sells 5 different ice-creams. John wants to buy 15 ice creams for his friends. In how many ways can he buy the ice-cream?
Answers
Answered by
2
Answer :
John can buy 3 ice creams in each type since 5
3 x 5 =15
Answered by
5
Answer:
Step-by-step explanation:
r + n -1Cr = 15 + 5 – 1C15 =19C15
We know that, nCr = n!/(r!) (n-r)!
19C15 = 19!/15! (19 – 15)! = 3876
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