Question

Sum of four digit even number can be formed with the digit 0,3,5,4 without repetition

Answer 1

Answer:

For even no, last digit could

be 0,2,4,6

But first digit cannot be 0

So : I:6×5×4=120

II:5×5×4=100

III:5×5×4=100

IV:5×5×4=100

∴ Total no.of 4 digit even

no. =120+100+100+100

=420