CBSE Class 11-science Answered
In an examination a question paper consists of 12 question divided into two parts i.e. Part 1 and Part II, containing 5 and 7 questions respectively. A student is required to attempt 8 question in all, selecting at least 3 form each part. In how many ways can a student select the questions 2.
Asked by Topperlearning User | 13 Sep, 2016, 03:09: AM
Expert Answer
Student may select 8 questions according to following-scheme
|
I (Total 5 questions)
|
II (Total 7 question)
|
(a)
|
3
|
5
|
(b)
|
4
|
4
|
(c)
|
5
|
3
|
if is the required number of ways, then
Answered by | 13 Sep, 2016, 05:09: AM
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