In the reading room of a library, there are23 reading spots.
Each reading spot consists of a round table with 9 chairs
placed around it. There are some readers such that in each
occupied reading spot there are different numbers of
readers. If in all there are 36 readers, how many reading
spots do not have even a single reader?
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Answer Posted / hari
he just said that in each different spot there are different
number of readers. So there will be many possibilities...
It is same as number of ways in which you can make a sum of
9 using only digits from 1 to 9 each at most once...
Consider
1+2+3+6+7+8+9 = 36
In this case answer is: 23-7 = 16
but different answers are possible depending on case u choose
| Is This Answer Correct ? | 51 Yes | 37 No |
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