Q5. A certain brand of shoes comes in 5 different styles, with each style available in 4 distinct colors. If the store wishes to display pairs of these shoes showing all of its various styles and colors, how many different pairs will the store have on display? Q6. In how many different ways can a true-false test consisting of 9 questions be answered? Q7. In how many ways can 6 people be lined up to get on a bus? Q8. How many distinct permutations can be made from the letters of the word COLUMNS? Q9. If 3 books are picked at random from a shelf containing 5 novels, 3 books of poems, and a dictionary, what is the probability that (a) The dictionary is selected? (b) 2 novels and 1 book of poems are selected? 010. A pair of fair dice is tossed. Find the probability of getting (a) a total of 8; (b) at most a total of 5