Question

If 632 = 2 and 921 = 3 then what is 1245667 select one:
a. 7
b. 6
c. 4
d. 5

Answer 1

Answer:

4

Step-by-step explanation:

632=6+3+2=11=1+1 ⇒2

921=9+2+1=12= 1+2 ⇒3

1245667=1+2+4+5+6+6+7=31= 3+1 ⇒4