Question

how many 3 digit Even Numbers can be made using the digits 1 2 3 4 6 7 if no digit is repeated​

Answer 1

total number of  even digits = 3

total number of odd digits = 3

third digit can be field in 3 ways

second  digit can be field in 5 ways

first digit is filled in 4 ways

total no. of ways = 3×4×5=60 ways

hence you can form 60 even numbers with the given digits