Using the digits 1, 2, 3 and 5, how many four-digit numbers can be formed if the number is ODD and repetition of digits
Posted: Fri Jul 08, 2022 5:31 am
Using the digits 1, 2, 3 and 5, how many four-digit numbers can be formed if the number is ODD and repetition of digits is NOT allowed? 4x4x4x3 ways O 3x2x1x1 ways 18 four-digit numbers O1x2x3 x 5 ways