What is the greatest possible product of a four-digit number and a three-digit number obtained from seven distinct digits?
What is your guess ?
Have you tried some different possibilities?
Whawt have you tried?
8643*975
9643*875
8753*964
9753*864
what is the trick to the problem?
I don't think there is a trick as such. It is just getting your to think about numbers, which is what you have done,
