The number of six-digit numbers all digits of which are odd, is …… .

The number of six digit number all digit of which are odd, is ……

The number of 5 digit numbers all digits of which are odd is

The number of five digit numbers in which all digits are even, is :

The number of five digit numbers in which all digits are even, is?

The number of six-digit numbers which have sum of their digits as an odd integer, is

Total number of 6-digit numbers in which all the odd digits appear, is

Total number of 6-digit numbers in which all the odd digits appear, is

Total number of six-digit number in which all and only odd digits appear is a.(5)/(2)(6!) b.6! c.(1)/(2)(6!) d.none of these

Total number of six-digit number in which all and only odd digits appear is a. 5/2(6!) b. 6! c. 1/2(6!) d. none of these