How many three-digit numbers can be made from the digits 1 to 5 if: a) repetition of digits is not allowed (2 marks) 1, 2, 3, 4, 5 5 x4 x 3: 60 : 60 ways b) repetition of digits is allowed? (2 marks) O mar 5 x 5x 5= 125 = 125 ways c) no repetition of digits is allowed, and the number must be greater than 500? List all the numbers fitting this description. (2 marks) 1x 4x 3= 12 = 12 ways d) repetition is allowed, and the number must be less than 300? (2 marks) with CS Baner