How many numbers can be formed using the digits 2, 3,4, 5, 2,4, 5, 5 such that even digits occupy even places.

How many numbers can be formed using the digits 1,2,3,4,2,1 such that even digits occupies even place?

How many numbers can be formed using all the digits 1,2,3,4,3,2,1 such that even digits always occupy even places ?

How many numbers can be formed with the digits 2, 3, 4, 5, 4, 3, 2 so that the odd digits occupy the odd places?

How many even numbers can be formed by using all the digits 2, 3, 4, 5, 6?

How many nine digit numbers can be formed using the digits 2,2,3,3,5,5,8,8,8 so that odd digits occupy even positions ?

How many 6-digit numbers can be formed by using the digits 4, 5, 0, 3, 4, 5?

How many 5-digit even numbers can be formed using the digits 1,2,5,4,5 ?

Find the total number of nine-digit numbers that can be formed using the digits 2,2,3,3,5,5,8,8,8 so that the odd digit occupy the even places.

How many nine digit numbers can be formed using the digit 2,2,3,3,5,58,8,8, so that the odd digits occupy even positions?