The next term in the series is
81,54,36,24_?

• 81,54,36,24, x
  81= 54 + 54/2
  54= 36 + 36/2
  36= 24 + 24/2
  24= x + x/2 => x=16
• 10 years agoHelpfull: Yes(5) No(0)
• 81-54=27
  54-36=18
  36-24=12
  24-15=9
  ans=15
• 10 years agoHelpfull: Yes(1) No(1)
• 81(9^2) 54 36(6^2) 24 9(3^2)......so ans is 9
• 10 years agoHelpfull: Yes(0) No(0)
• 81-(3^4*2^0) 54-(3^3 * 2^1) 36-(3^2*2^2) 24-(3^1*2^2) 16-(3^0*2^4) So answer is 16
• 10 years agoHelpfull: Yes(0) No(0)
• series...81,54,36,24__?
  81=3*3*3*3
  54=3*3*3*2
  36=3*3*2*2
  24=3*2*2*2
  
  so 2*2*2*2=16
  answer will be 16
• 10 years agoHelpfull: Yes(0) No(0)
• 16 because the sequence can be represented as
  9X9,9X6,6X6,6X4,4X4
• 7 years agoHelpfull: Yes(0) No(0)
• 16
  9*9, 9*6, 6*6, 6*4, 4*4
• 7 years agoHelpfull: Yes(0) No(0)