Question

Find the missing number: 4, 5, 12, 39, 160, 805, ?
a. 4836
b. 3648
c. 4854
d. 4638

Answer 1

Answer:

4836

Step-by-step explanation:

1×4=4+1=5

2×5=10+2=12

3×12=36+3=39

4×39=156+4=160

5×160=800+5=805

6×805=4830+6=4836