On a class test there are 5 questions. One question has been taken from each of four chapters. The first two chapters have 3 questions each, the last two chapters have 6 questions each. The fourth question can be picked from any of the four chapters. How many different question papers could have been prepared?
A.
B.
C.
D.
E.  Pick
A) 540
B) 1260
C) 2268
D) 4000
E) 4860
nIf 2 questions are picked from the first chapter: C23∗3∗6∗6C32∗3∗6∗6;   If 2 questions are picked from the second chapter: 3∗C23∗6∗63∗C32∗6∗6;   If 2 questions are picked from the third chapter: 3∗3∗C26∗63∗3∗C62∗6;   If 2 questions are picked from the third chapter: 3∗3∗6∗C263∗3∗6∗C62.   Total = 2,268.   ANS:2268
<result>C</result>
On a class test there are 5 questions. One question has been taken from each of four chapters. The first two chapters have 3 questions each, the last two chapters have 6 questions each. The fourth question can be picked from any of the four chapters. How many different question papers could have been prepared?
A.
B.
C.
D.
E.