permutation related Q
Asked by
| 13th May, 2009,
12:27: AM
Expert Answer:
Exercises A,B,C consists of 12,18 and 9 questions respectively
one question can be choosen from each exercise in 12 C1 18 C1 and 9 C1 ways
Total ways will be 12 C1 
18 C1 9 C1 = 1944
Answered by
| 15th May, 2009,
11:49: AM
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