In the reading room of a library, there are 23 reading spots. Each reading spot consists of around table with 9 chairs placed around it. There are some readers such that in each occupiedreading spot there are different numbers of readers. If in all there are 36 readers, how manyreading spots do not have even a single reader?a) 8 b) none c) 16 d) 15

• 15
  1+2+3+4+5+6+7+8=36
• 12 years agoHelpfull: Yes(22) No(3)
• 15
  
  23-8=15
• 12 years agoHelpfull: Yes(7) No(2)
• 9+8+7+6+5+1=36
  now 23-6= 17 ..in this way all spots filled by different no. of readers also their sum is 36 which is to be seated ..hence 17 spots will be without any single reader !
• 12 years agoHelpfull: Yes(2) No(12)
• 23 reading spots, Each reading spot consists of 9 chairs placed around it so There
  are some readers such that in each occupied reading spot ther e are diff erent numbers of
  readers.
  For each table different no of persons are sat,so for first table 1 person is sit,2nd table 2
  persons are sit 36
  readers means(1+2+3+4+5+6+7+8 so 8 tables are filled so 23-8=15 r eading spots does not
  have single reader.
• 4 years agoHelpfull: Yes(0) No(0)