SOLUTION: Lucas must write an essay for three of the five questions in Part 1 and four of the six questions in Part 2. How many different combinations of questions can he answer?

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Question 1036416: Lucas must write an essay for three of the five questions in Part 1 and four of the six questions in Part 2. How many different combinations of questions can he answer?
Found 2 solutions by Boreal, ikleyn:
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
It is 5C3*6C4=
5!/3!2!=10
6!/4!2!=6*5/2=15
10*15=150

Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
.
Lucas must write an essay for three of the five questions in Part 1 and four of the six questions in Part 2.
How many different combinations of questions can he answer?
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It is a typical problem on combinations.

See the lesson Introduction to Combinations in this site and the lessons associated with it.