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by sujaysolanki » Mon Dec 03, 2007 1:44 am
Total = 30

2 did not take any
12 * 1 = 12
10 * 2 = 20
6 took at least 3 i.e >=3


avg = s/n
2 = s/30

S = 60 = total books

60 - 12 + 20 = 28


Say 5 students took 3 books each so 15 books
So max one can take is 28 -15 = 13
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by camitava » Mon Dec 03, 2007 3:08 am
I am agree with sujaysolanki. Good explanation man!!!
Correct me If I am wrong


Regards,

Amitava
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Junior | Next Rank: 30 Posts
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Thanks!

by oct07 » Mon Dec 03, 2007 7:24 am
The question is clear to me now, thank you!
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