1, 5, 9, 15, ?
1, 5(1+4), 9(5+4), 15(9+6), ?(15+?)
since the addition of 4 is done 2 times, we can say that also will 6
?=15+6
?=21
21
What would be the next number in this series 15 12 13 10 11 8?
25-1=24 24-2=22 22-3=19 19-4=15 15-5=10 The next number in the series is 10.
55
The next number in the sequence is 15. The pattern is as follows: from 1 to 6 is +5, from 6 to 9 +4, from 9 to 12 +3, from 12 to 14 +2, and then from 14 to the answer (15) +1.
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.
The next number is -21
the answer is 1
What would be the next number in this series 15 12 13 10 11 8?
25-1=24 24-2=22 22-3=19 19-4=15 15-5=10 The next number in the series is 10.
28
15
60Subtract 1/230Subtract 1/320Subtract 1/415Subtract 1/512Now subtract 1/6The next number is 10.
55
The next number in the sequence is 15. The pattern is as follows: from 1 to 6 is +5, from 6 to 9 +4, from 9 to 12 +3, from 12 to 14 +2, and then from 14 to the answer (15) +1.
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.
No. The pattern is: +9, +1, -20, +9, +1, -20... So the next five numbers are: -5, 4, 5, -15, -6.
This series is of the function f(x) = x2+1, starting with x=0.The next number in the series is 26. The number after that is 37.