QUESTION 6 (10 MARKS) Consider a set of digits (0, 1,2,3,4,5,6,7,8,9). (a) Find the number of ways to choose two odd digits from the set. (2 marks) (b) Four-digit numbers are to be formed from the set and the number do not start with digit 0. Find the possible number of ways of getting i) Number less than 3000 and every digit cannot be repeated (2 marks) ii) Even numbers between 5000 and 7000 if every digit can be repeated (3 marks) ili) Numbers greater than 5000 ending with digit 3 and every digit can be used only once