A student is to answer 10 out of 13 eequation in an examination such that he must choose at least 4 from the first five question.the number of choice available to him is.
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it is the right answer as i guess
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Step-by-step explanation:
Total ques =13
10 ques to choose from 13
The choices available=
5C4×8C6 +5C5×8C5
=196
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