How many four digit natural numbers not exceeding 4321 can be formed with the digits 1, 2, 3 and 4, if the digits can repeat?

How many natural numbers not exceeding 4321 can be formed with the digits 1, 2, 3 and 4 if the digits can repeat ?

How many natural numbers not exceeding 4321 can be formed with the digits 1, 2, 3 and 4, if the digits can repeat ?

How many four digit natural numbers not exceeding the number 4321 can be formed using the digits1,2,3,4, if repetition is allowed?

How many four digit natural numbers not exceeding the number 4321 can be formed using the digits1,2,3,4, if repetition is allowed?

How many 2-digit even numbers can be formed from the digits 1, 2, 3, 4 and 5, if the digits can be repeated ?

How many numbers of four digits can be formed with the digits 1,2,3,4,5 if the digits can be repeated in the same number?