Jamboree Question of the Day - Day 95, Feb 17th 2011

A 5-digit telephone number consists of 2, 3, and 4. If 2 can be used exactly once, 3 and 4 can be used twice, how many such numbers are possible?

A) 30

B) 50

C) 100

D) 250

E) 9

Please give your answers in the comment box below. Solution will be posted tomorrow (Feb-19th) with an explanation for the answer!