There are two sequences involving alternate numbers.
After starting with 2, add 7 increasing by 1 at each step to alternate numbers.
After 7 subtract 4 reducing by 1 at each step to the second set of alternate numbers.
2 (+7) 9 (-4) 5 (+8) 13 (-3) 10 (+9) 19 (-2) 17
The numbers that follow will thus be (17 + 10)= 27, (27 - 1) = 26, (26 +11) = 37, (37 - 0) = 37
22
27
The number which best completes the sequence below is: 2 9 5 13 10 19 17 ?
75The number which best completes the sequence 10 30 15 16 48 24 25 is 75.
The number which best completes the sequence below is:2 9 5 13 10 19 17?
What number best completes the sequence 1 1/2 5 10 1/2 18
that best completes the sequence 2 9 5 13 10 19 17 is 27.
7
Nn
It is: 10-3 = 7
75
you need to put commas.
27
27