how many four digit numbers are there all whose digits are odd ; if repetition of digit is allowed Share with your friends Share 0 Decoder_7 answered this Dear student, Regards -1 View Full Answer Akshitha answered this 9 * 10 * 10 * 5 -2 Akshitha answered this oh sorry that ans is wrong it is 5*5*5*5 since all digits are odd odd nos {1,3,5,7,9} 1
