The sum of numbers greater than 1000 formed by using 2, 4,6, 0 ?!
When,
1. No digit being repeated in any number.
2. digits are repeated.
When,
1. No digit being repeated in any number.
2. digits are repeated.
1. No digits being repeated
(3)(3)(2)(1) = 18
2. digits are repeated
(3)(4)(4)(4) = 192
