Ask Question
6 January, 20:26

How many four digit numbers can be formed from the digits 1, 3, 5, 7 and 9 if no digit may be repeated in a number

+5
Answers (1)
  1. 6 January, 20:47
    0
    Numbers: 1,2,4,5,7,8

    There are 4 digits __ __ __ __

    1st digit can be filled by any of the 6 numbers

    Similarly 2nd, 3rd and 4th

    Hence each digit will have 6 possibilities

    Therefore no. of 4 digit numbers that can be formed are 6 x 6 x 6 x 6 = 1296
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “How many four digit numbers can be formed from the digits 1, 3, 5, 7 and 9 if no digit may be repeated in a number ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers