17 cause it is the next prime number
Answer = 21 The next number is the previous 2 numbers added together
The next number will be 13+21 = 34
105 1st number is 13 = 1 2nd number is 23 = 8 3rd number is 33 = 27 So, 4th number is 43 = 256
17
17 cause it is the next prime number
11
17
Answer = 21 The next number is the previous 2 numbers added together
The next number will be 13+21 = 34
21
24
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.
105 1st number is 13 = 1 2nd number is 23 = 8 3rd number is 33 = 27 So, 4th number is 43 = 256
13
What would be the next number in this series 15 12 13 10 11 8?
2 3 5 7 11 13 17 19 23 29 31 They are prime numbers.