A three-digit number has digits in strictly descending order and is divisible by 10. By changing the places of digits a new three-digit number is formed in such a way that is also divisible by 10. If the difference of both numbers is a multiple of 40 then——— such numbers are possible and out of which ——— are greater than 700
1
5 ,4
2
6 ,4
3
5 ,3
4
6 ,3
5
7, 4