Scott has $13$ assignments due. Each assignment has $12$ questions. How many questions does Scott need to solve in total?

Q. Haley has $13$ pages of homework and each page has $4$ questions. How many questions does she have to answer in total?

Q. Sam does his homework from $12:00\text{PM}$ to $2:45\text{PM}$. If each assignment takes 15 minutes, how many assignments can he complete?

Q.

In a test, +2 marks are given for each correct answer and ( - 1 ) for each wrong answer. A student has scored 21. If he has attempted total of 12 correct questions. How many questions has he attempted incorrectly ?
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Q. In how many ways in which an examiner can assign $30$ marks to $8$ questions giving not less than $2$ marks to any question ?

Q. There are $3$ sections in a question paper each containing $5$ questions. A candidates has to solve only $5$ questions, choosing at least one question from each section. In how many ways can he make his choice?