8. Find $$ r $$ if: $$ { }^{5} P_{r}=2^{\circ} \mathrm{P}_{t-1} $$ 9. What is the number of ways of choosing 4 cards from a pack of 52 playing cards? i) Four cards are of the same suit? ii) Cards are of the same colour?

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**Question 8:** Cannot determine the value of $$ r $$ due to unclear notation. **Question 9:** - **i)** 2,860 ways to choose 4 cards of the same suit. - **ii)** 29,900 ways to choose 4 cards of the same color.

8. Find \( r \) if: \( { }^{5} P_{r}=2^{\circ} \mathrm{P}_{t-1} \) 9. What is the number of ways of choosing 4 cards from a pack of 52 playing cards? i) Four cards are of the same suit? ii) Cards are of the same colour?

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8. Find \( r \) if: \( { }^{5} P_{r}=2^{\circ} \mathrm{P}_{t-1} \) 9. What is the number of ways of choosing 4 cards from a pack of 52 playing cards? i) Four cards are of the same suit? ii) Cards are of the same colour?

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