400 240 144 86.4 51. 84 31.104 ???

• Next no. is 3/5 times of just previous one.e.g
  
  400*3/5 = 240
  240*3/5 = 144
  144*3/5 = 86.4
  86.4*3/5 = 51.84
  51.84*3/5 = 31.104
  31.104*3/5 = 18.6624
  Therefore next term will be 18.6624.
• 12 years agoHelpfull: Yes(3) No(0)
• 240=400/2+(10% of 400),144=240/2+(10% of 240)
  ans is 18.6624,18.6624=31.104/2+(10% of 31.104)
• 8 years agoHelpfull: Yes(0) No(0)
• Ans is: 18.6623
  Where the series is in geometric progression with r=1.666667
• 7 years agoHelpfull: Yes(0) No(0)