6,18,21,8,11,33,2,6,9,5,8,24,7,21

• next term will be 24
  6*3=18,18+3=21.....(1)
  8+3=11,11*3=33.....(2)
  2*3=6,6+3=9........(1)
  5+3=8,8*3=24.......(2)
  7*3=21,21+3=24(ans)same as (1)
• 12 years agoHelpfull: Yes(40) No(3)
• (6,18,21) (8,11,33) (2,6,9) (5,8,24) (7,21,x)
  6*3=18=18+3=21
  8+3=11=11*3=33
  2*3=6=6+3=9
  5+3=8=8*3=24
  7*3=21=21+3=24
• 10 years agoHelpfull: Yes(5) No(1)
• (18/6)=3 11-8=3
  18+3=21 11*3=33
  
  (6/2)=3 8-5=3
  6+3=9 8*3=24
  
  (21/7)=3
  21+3=24 so ans is=24
• 12 years agoHelpfull: Yes(2) No(1)
• 6*3=18,18+3=21;
  8+3=11,11*3=33 in the similar way perform addition and multiplication alternatively . Answer is 24
• 8 years agoHelpfull: Yes(0) No(0)
• two series are there
  6*3=18,18+3=21.....(1)
  8+3=11,11*3=33.....(2)
  2*3=6,6+3=9........(1)
  5+3=8,8*3=24.......(2)
  
  ans: 24
• 8 years agoHelpfull: Yes(0) No(0)