It is the class with the seating arrangement in 4 rows and 8 columns. When the teacher says 'start' the girl who is sitting in first row and first column will say 1, then the next girl sitting behind her will say 4, the next girl sitting behind that girl will say 7, in a particular order each girl is telling a number, the following girls told 10, 13 next turn is yours what u will say?

• ans is 16
  
  its a series like 1, 4, 7, 10, 13...
  diff is of 3 incrementally...so nxt number wud b 16.
• 13 years agoHelpfull: Yes(31) No(0)
• since in ordreing difference b/w number is 3
  1,1+3,4+3,...
  10+3,13+3=16
• 13 years agoHelpfull: Yes(7) No(0)
• 16
  
  as 1
  1+3=4
  4+3=7
  7+3=10
  10+3=13
  
  so
  next term is 13+3=16
• 13 years agoHelpfull: Yes(7) No(0)
• 1,4,7,10,13,...a simple logic series .1+3=4......so next term is 16
• 13 years agoHelpfull: Yes(4) No(0)
• 1,4,7,10,13,16.....
• 13 years agoHelpfull: Yes(2) No(5)
• its (d) difference bw the numbers is 3.
• 9 years agoHelpfull: Yes(0) No(0)
• difference b/w each girl num is 3
  after 13 is num 16
• 4 years agoHelpfull: Yes(0) No(0)