Each of the digits 2, 5, 6, 7, 9 is placed one per box in the multiplication question shown ( _ _ _ x _ _ ). The largest possible product is:

a) 72150.
b) 72192.
c) 72352.
d) 72390.
a) 72415

1 answer

I couldn't get any larger than 952 x 76 by trial and error