1+1=2
1+2=3
2+3=5
...
8+13=21
13, because if you add the last number to the current number you get the next number
These are Fibannoci's numbers. Therefore, the 7th number is 21.
13 or 100, what are you looking for? 100 Liz is right
The series 1 6 10 13 15 (1+5=6; 6+4=10, 10+3=13; 13+2=15) is completed by 15+1=16. The answer is 16.
Hey Mate!!! The Answer Is 17!!! They First Added 2 Then Subtracted it With 1 And Do It All Over Again To Get The Numbers But For This Question The Answer Is 17.
the next number is 21 because it is adding the last number stated.
34
The next number is 13... you're adding the previous two numbers together to produce the next in line.
13 because each time it goes 1 odd number up.
13
13, because if you add the last number to the current number you get the next number
Answer = 21 The next number is the previous 2 numbers added together
These are Fibannoci's numbers. Therefore, the 7th number is 21.
34 55 89 etc..
what number comes next 1 -8 -16 -24 -33
1 1 1
The pattern alternates between two sequences: one decreasing by 1 (18, 13) and the other decreasing by 2 (4, 6). Following this pattern, the next number after 6 should be 3 (6 - 3), and the next number after 13 should be 12 (13 - 1). Thus, the next two numbers in the sequence are 12 and 3.