What is the next number of the following sequence
1.5, 3, 9, 18, 54, 108,...?

• Multiply by 2 nd 3 alternatively
  
  1.5 * 2 = 3
  3 * 3 = 9
  9 * 2 = 18
  18 * 3 = 54
  54 * 2 = 108
  108 * 3 = 324
  
  So Ans is 324
• 10 years agoHelpfull: Yes(60) No(1)
• 1.5+1.5=3 & 3*3=9
  9+9=18 & 18*3=54
  54+54=108 & 108*3=324
• 10 years agoHelpfull: Yes(6) No(1)
• 1.5*2=3
  3*3=9
  9*2=18
  18*3=54
  54*2=108
  108*3=324
• 10 years agoHelpfull: Yes(2) No(0)
• muitiple 2 then 3 and so on..
  answer is 324
• 10 years agoHelpfull: Yes(1) No(0)
• The question is wrong....
  The series should be 3,9,18,54,108,324.....
  
  And I don't get how 5*2 can be 3?????...This is ridiculous..
• 10 years agoHelpfull: Yes(1) No(3)
• Does anyone got joining mail after documents verification on 23rd, Pune?
  
  Joining is on 31st, still not received any mail.
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• the series is becoming double and then the three times of the number we get.
  1.5x2=3
  3x3=9
  9x2=18
  18x3=54
  54x2=108
  108x3=324
  the answer is 324
• 10 years agoHelpfull: Yes(0) No(0)
• 324
  1.5*2=3
  3*3=9
  9*2=18
  18*3=54
  54*2=108
  108*3=324
• 10 years agoHelpfull: Yes(0) No(0)
• 1.5*2 3*3
  9*2 18*3
  54*2 108*3=324
• 10 years agoHelpfull: Yes(0) No(0)
• Final ANS-->324
• 10 years agoHelpfull: Yes(0) No(0)
• 1.5*2=3
  3*3=9
  9*2=18
  18*3=54
  54*2=108
  hence similarly 108*3=324
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• 1.5(*2)=3(*3)=9(*2)=18(*3)=54(*2)=108(*3)=324
• 10 years agoHelpfull: Yes(0) No(0)
• ans 324
  bcz 1.5*2=3,3*3=9
  9*2=18,18*3=54
  54*2=108,108*3=324
• 10 years agoHelpfull: Yes(0) No(0)
• 324
• 10 years agoHelpfull: Yes(0) No(0)
• 1.5*2=3
  3*3=9
  9*2=18
  18*3=54
  54*2=108
  108*3=324
• 10 years agoHelpfull: Yes(0) No(0)
• @Olyvia... Its not 5... Just look carefully... Its 1.5... Ok na...
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• sorry..my mistake...
  didn't notice it's 1.5
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• ans is 324
  
• 10 years agoHelpfull: Yes(0) No(0)
• 1.5+1.5=3
  3+2*3=6
  9+9=18
  18+2*18=54
  54+54=108
  108+2*108=324
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• Answer: 324
  
• 10 years agoHelpfull: Yes(0) No(0)