<PRE><B>Question 1008695</B>
In a different plan for area codes a number can be any digit from 1-7 the second number was either 4,5,6,7 and the third digit can be any number except 6-8.With this plan how many different area codes are possible? 
1st digit:: 7 ways
2nd digit:: 4 ways
3rd digit:: 7 ways
-----
Ans: 7*4*7 = 196
----
Cheers,
Stan H.
</PRE>