Each time the difference between the numbers goes up by +1 then down by - 1 alternatively Like so: 2(+7) 9 (-4) 5 (+8) 13 (-3) 10 (+9) 19 (-2) 17 so the next difference would be + 10 = 27
56 (just the next number, not the number that completes the sequence)
75The number which best completes the sequence 10 30 15 16 48 24 25 is 75.
56
54
Nn
75
75.
15 30 32 31 62 64 63 126 128
The number which best completes the sequence below is 20 5 30 6 42 7
35
22 30 39
8