Write an even number that has a 7 in the hundreds place, has an odd number in the thousands place and is multiple of 10

Even numbers end with 0,2,4,6,8

7 in hundreds place

odd in thousands place, odd numbers are 1,3,5,7,9

multiplue of 10 end with 0

so therfor the number has 7 in hundreds place and ends with 0 with odd in thousands and undefined hundreds place

50 options

some examples are

1730

9790

any number, x7y0 such that x is odd and y can be any number