26
10 4 3 11 15 9 8 16 20....
This is the series of square numbers, (16= 4*4). The next number is 5*5=25.
37
16*3 = 48
26
31.............[15+1=16, 16+3=19, 19+5 =24, 24+7=31]
10 4 3 11 15 9 8 16 20....
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.
This is the series of square numbers, (16= 4*4). The next number is 5*5=25.
256 256
625
481
24
37
The series is decreasing by consecutive perfect squares starting from 16^2 (256) and decreasing by 2^2 each time. Therefore, the next number in the series would be 4^2, which is 16.
16*3 = 48