Question

Then which digits will come at the place of (?) 372, 823, 644, 582, 46?, 8?7.

Answer 1

in every no sum of digits is increasing by 1 starting with 
3+7+2=12,
8+2+3=13 & so on
so 4+6+x=16 which gives x=6 and
8+y+7=17 which gives y=2