Question

The different six digit numbers whose three digits are even

Answer 1

Answer:

Step-by-step explanation:

Hence the number of ways of choosing 3 even and 3 odd digits with 0 as the first digit is 10×55. Therfore the number of 6-digit numbers with 3 even digits and 3 odd digits is 20×56 −10×55 = 10×55(10−1) = 28125