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Question 13 and 14, Exercise 6.3

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ossible ways to choose $5$ question out of $8$ in section $A$ $$ ={ }^{8} C_{5}=56 $$ Possible ways to choose $5$ question out of $\mathbf{8}$ in section $\mathrm{B} \& \mathrm{C}$ $$ ={ }^{8} C_{3}=56 $