240, ?, 120, 40, 10, 2

A. 180 B. 240
C. 420 D. 480

• B.240
  
  From the back, series is like
  
  2 *5 = 10
  10 *4 = 40
  40 *3 = 120
  120*2 = 240
  240*1 = 240
  
  So, missing term is 240
• 12 years agoHelpfull: Yes(1) No(0)
• Ans is B) ...
  2*5=10
  10*4=40
  40*3=120
  120*2=240
  240*1=240
• 10 years agoHelpfull: Yes(0) No(0)
• 180
  2
  10
  40
  120
  180
  240
• 9 years agoHelpfull: Yes(0) No(0)
• Ans is B) ...
  2*5=10
  10*4=40
  40*3=120
  120*2=240
  240*1=240
  
• 9 years agoHelpfull: Yes(0) No(0)