Look at this series: 664, 332, 340, 170, ____, 89, ... What number should fill the blank?

A. 85 B. 97
C. 109 D. 178

• 664/2=332
  340/2=170
  x/2=89 so x=2*89=178
• 13 years agoHelpfull: Yes(16) No(3)
• 664/2=334
  340/2=170
  89*2=178
• 10 years agoHelpfull: Yes(8) No(4)
• 178 (89*2)
  
  
  As 332*2=664 and so on
• 9 years agoHelpfull: Yes(0) No(0)
• 97..... first 1/2 then increase 8.....
• 9 years agoHelpfull: Yes(0) No(0)
• ans is D
  because all the number mutiple 2 in ass
  ending order
  
• 9 years agoHelpfull: Yes(0) No(0)
• 170*2=340
  332*664
  then 89*2=178
  so option D is correct.
• 9 years agoHelpfull: Yes(0) No(0)
• 178 is the answer
• 8 years agoHelpfull: Yes(0) No(0)
• 332*2=664
  170*2=340
  89*2=178
• 6 years agoHelpfull: Yes(0) No(0)