There are 10 reading spots in a room. Each reading spot has a round table. Each round table has 4 chair. If different no of persons are sitting at each reading spot. And if there are 10 persons inside the room then how many reading spots donot have atleast a single reader. Choose the correct choice:
A) 5
B) 6
C) 8
D) 9
E) 7
10 reading spots and 4 chairs each   total 10 persons   different no. of seating must   so   1st-1person   2nd-2person   3rd-3person   4th-4person   by above way 10 peoples are seated   so empty chairs = 10chairs - 4chairs = ans: 6chairs   ANSWER:6
<result>B</result>
There are 10 reading spots in a room. Each reading spot has a round table. Each round table has 4 chair. If different no of persons are sitting at each reading spot. And if there are 10 persons inside the room then how many reading spots donot have atleast a single reader.