What is the next number of the following sequence
18,24,5,21,27,8,17,23,4,4,30

• (18,24,5),(21,27,8),(17,23,4),(4,30, x)
  In each group subtract "19" from 2nd number,, You ll get 3rd number...
  24 - 19 = 5
  27 - 19 = 8
  23 - 19 = 4
  30 - 19 = 11
  
  Ans : 11
• 10 years agoHelpfull: Yes(51) No(4)
• instead of 4 (before 30) it should be 24.....but answer 11 is correct.
  
• 10 years agoHelpfull: Yes(3) No(1)
• 18,24,5 21,27,8 17,23,4 4,30,?
  make group of 3 digit as above
  and series is fond as follows
  
  (2nd digit of group)24 - 19 = 5
  
  (2nd digit of group)27 - 19 = 8
  
  (2nd digit of group)23 - 19 = 4
  
  (2nd digit of group)30 - 19 = 11
  
  Ans : 11
• 10 years agoHelpfull: Yes(2) No(0)