TT gwd-7-14

Q14:

If a code word is defined to be a sequence of different letters chosen from the 10 letters A, B, C, D, E, F, G, H, I, and J, what is the ratio of the number of 5-letter code words to the number of 4-letter code words?

A.     5 to 4

B.     3 to 2

C.     2 to 1

D.     5 to 1

E.      6 to 1

http://forum.chasedream.com/dispbbs.asp?BoardID=22&replyID=750588&id=84382&skin=0

http://forum.chasedream.com/dispbbs.asp?BoardID=22&replyID=885666&id=95415&skin=0