15
The sequence seems to be x2, +2, -1.
18
16
15.
15
Nothing "completes" the sequence because it goes on forever - without end.
Type your answer here... 15
17 19 20
75The number which best completes the sequence 10 30 15 16 48 24 25 is 75.
15,30,32,31,62,64,63..... (*2,+2,-1)
7
a,b,c,d = 1,2,4,3 b=2a c=b+2 d=c-1 7*2=14 14+2=16 16-1=15
15 (times 2, plus 2, minus 1)