Find the number of digits `5^(25).`

Find the number of digits (2.5)^(200)

Find the number of 5 digit numbers with different digits having middle term greatest and with non-zero digits?

Find the number of 4 digit numbers that can be formed using the digits 1,2,3,4,5.If no digits is repeated.

Find the number of 5 digit numbers with different digits having middle term greatest and with non-zero digits?

Find the number of 4 digit numbers divisible by 5 that can be formed using the digits 1, 2, 3, 4, 5 when repetition of digits is allowed.

Find the number of 6-digit numbers that can be found using the digits 1, 2, 3, 4, 5, 6 once such that the 6-digit number is divisible by its unit digit. (The unit digit is not 1).

Find the number of 4-digit numbers that can be formed using the digits 1, 2, 3, 4, 5 if no digit is repeated. How many of these will be even?

Find the number of 4-digit numbers that can be formed using the digits 1,2,3,4,5 if no digit is repeated. How many of these will be even?

Find the number of 4-digit numbers that can be formed using the digits 1, 2, 3, 4, 5 if no digit is repeated. How many of these will be even?