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. In the reading room of a library, there are 10 tables, 4 chairs per table. In each table there are different numbers of people seated. How many tables will be left out without at least 1 person?
a) 8 b) 6 c) 2 d) 7
Read Solution (Total 5)
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- same number of people can not be seated....
no. of tables=10
no. of chairs=4
1st table= 1 person
2nd table= 2 person
3rd table= 3 person
4th table= 4 person
5,6,7,8,9,10 table s not occupied by any one....
so table left without any person= 10-4=6 - 13 years agoHelpfull: Yes(23) No(1)
- The total no. of people has not been given in the question...for eg. if 10 ppl were to b seated, den it cud hav been done lyk: 1+2+3+$..and hence the ans 6..
Here only the number of tables and chairs around them has been given..
- 13 years agoHelpfull: Yes(8) No(2)
- only 6 will be remaining.
suppose-
in 1st tbl 1 prsn is sitting
then in 1st tbl 1 prsn is sitting
then in 2nd tbl 2 prsn r sitting
then in 3rd tbl 3 prsn r sitting
then in 4th tbl 4 prsn r sitting
further r not possible so 10-4=6 - 13 years agoHelpfull: Yes(4) No(0)
- ans:6
since if we consider 10-4=6 - 13 years agoHelpfull: Yes(2) No(1)
- In each table there are different number of peoples seated so from starting 1 next 2 next 3 next 4 and we will end because only 4 chairs per table so total 4 tables was used so at last 10-4 so the answer is 6
- 10 years agoHelpfull: Yes(0) No(0)
TCS Other Question
For the King’s revelry 6 barrels of beer have been ordered. However, it was found that one of them is poisoned. The poison takes effect even if consumed in the tiniest amount after 14 hours. You need to find, within 24 hours, the poisoned barrel and have at your disposal some beer guzzling mice. The smallest number of mice required to find the poisoned barrel is
a.6
b.4
c.3
d.2
. Inspired by Fibonacci series Sangeet decided to create his own series which is 1, 2, 3, 7, 7, 22, 15, 67, 31, _, 63?
a) 202 b) 31 c) 76 d) 49