650, 700 and 750 are three consecutive multiples.
The sum of three consecutive multiples of 6 is 666, the multiples are 216, 222 and 228.
If half of the sum is 90 then the full sum must be 180. The three consecutive multiples of 10 which add up to 180 are 50, 60 and 70.
357, 374, and 391
504, 756, 1008
30 45 60
44
2,3,5 Are the first three common multiples of 35 , 50 , and 33
They are: 50, 100 and 150
45, 60, and 75
20 + 25 + 30 = 75
45, 60, and 75
91