Math, asked by victory1venkatesh, 1 year ago

Number of ways of allotting 30 marks to 10 questions so that each question gets atleast two marks is

Answers

Answered by jttthachilthomou0iqe
2
If 2 marks are already allotted to 10 questions, then 20 marks have already been allotted.
All that is left to do is give the remaining 10 marks between the 10 questions.
hence the remaining can be allotted in (n+r-1)C(r-1) ways.
here n=10,r=10
therefore 19C9 ways.

19!/(9!*10!)
Answered by raman4199
3

Answer:

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