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

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

The sum of all 2 digit odd numbers is

The sum of all 2 digit odd numbers is

The sum of all 2 digit odd numbers is

The number of three digit number ( all digits are different ) which are divisible by 7 and also divisible by 7 on reversing the order of the digits, is

Total number of 6 digited numbers in which all the odd digits and only odd digits appear is

The sum of all 2digited odd numbers 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?

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