In the reading room of a library there are 10 reading spots Each reading spot consists of a round table

10 reading spots, Each reading spot consists of 4 chairs placed around it so.. There are given no: readers such that in each occupied reading spot there are different numbers of readers.. .let us consider d maxm case possible : so for first table 1 person is sitting,2nd table 2 persons sit.. 10 readers equals to(1+2+3+4) so 4 tables are filled ie: 10-4=6 reading spots does not have even a single reader..
anwr = *6*
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for different no of reader=1,2,3,4(total 10)
in this way only 4 reading spot is filled
so 6 is left
answer=6
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as every spot has different no. of students, it is possible when first one has 1 student second has 2 until total is 10 so 1+2+3+4=10 hence 4 tables are occupied 6 are empty.
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total reading spots - number of chairs.. 10-4=6.. so option c is correct
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In library there are 10 spots and consists of a round table with 4 chairs placed and here there are 10 different people amd they are arranged in 1,2,3,4 . that means 10=1+2+3+4 .And here 4 tables are occupied and 6 tables are remainded.. and answer is 6
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6
since spot may contain 1 2 3 4 students therefore 6 spots will not have even single user
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reading spot with different numbers of readers :
1+2+3+4=10 readers
hence, 10-4= 6
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Each reading spot have different reader so total 10 reader are divided as 4,3,2,1 thus four table contain different reader and 6 remains so ans is 6
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c.6
1+2+3+4=10
so 6 spots do not have even a single reader
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there are 10 reading spots so 1st table 1 reader 2nd table 2 reader 3rd table 3 reader 4th table 4 reader.so 10-4=6
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6.
Its d ans.
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6 is the ans
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4,3,2,1 It means total there are 6 tabels which has been occupied !!!

So, there are 6 vacant tables.
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