16+10= 26
26-5= 21
21+10= 31
31-5= 26
The answer is 26
26
26
This is the series of square numbers, (16= 4*4). The next number is 5*5=25.
37
16*3 = 48
22
26
This is the series of square numbers, (16= 4*4). The next number is 5*5=25.
256 256
625
481
24
2245
37
16*3 = 48
22
It is: 16 squared = 256
24, they are going up in 3's, 13, 16, 19 and 18, 21 so next number is 24.