Question

How many 2-digit numbers can be formed with the digits 3,5,6,7,8 when the digits in a number may be repeated?

Answer 1

35 56 67 78 36 37 38 57 58 67 68 78 87 86 85 83 88 76 75 73 77 65 63 66 53 55 33
count it nd get ans