16*3 = 48
7
24
10 4 3 11 15 9 8 16 20....
16+10=26 26-5=21 21+10=31 31-5=26 26+10=36
This is the series of square numbers, (16= 4*4). The next number is 5*5=25.
7
The pattern is - 5 then +2. 2 and 4 are the next numbers in the series.
24
16 to 26 (+10) 26 to 21 (-5) 21 to 31 (+10) 31 (-5) = 26 26
10 4 3 11 15 9 8 16 20....
16+10=26 26-5=21 21+10=31 31-5=26 26+10=36
This is the series of square numbers, (16= 4*4). The next number is 5*5=25.
16+10= 26 26-5= 21 21+10= 31 31-5= 26 The answer is 26
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.
625
481
This looks like a (subtract 5; add 2) series, so the next numbers are: 2, 4, -1, 1