Question

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. plz solve on book​

Answer 1

Answer:

How many of these will be even?Let the 4 digit number be Total number of digits (1, 2, 3, 4, 5) = 5 So, n = 5We need to make 4-digit number, so we take 4.

Answer 2

Here is your answer mate.