Question 1115360: A fifth-year student has to choose 4 subjects from the following list: Accounting, Biology,Chemistry, Physics, French, Applied Maths and Classical Studies. (i) How many different choices are possible. (ii) How many choices include french? (iii) How many choices do not include french? (iv) How many choices include Accounting and Biology? (v) How many choices include Applied Matjs but not Chemistry?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! A fifth-year student has to choose 4 subjects from the following list: Accounting, Biology,Chemistry, Physics, French, Applied Maths and Classical Studies.
(i) How many different choices are possible. 7C4
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(ii) How many choices include french? 6C3
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(iii) How many choices do not include french? 7C4-6C3
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(iv) How many choices include Accounting and Biology? 5C2
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(v) How many choices include Applied Maths but not Chemistry? 4C3
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Cheers,
Stan H.
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