3 48,?,24,30,12,90
1.56
2.10
3.33
4.16

• from left to right
  48/2=24,
  24/2=12
  from right to left
  90/3=30
  30/3=10
  so 10 should be the answer
• 11 years agoHelpfull: Yes(8) No(0)
• alternative series :
  48,24,12 ;;; x,30,90
  => 48,{(48/2)=24},{(24/2)=12} ;; x,x*3=30,30*3=90
  =>x*3=30
  =>x=30/3
  =>x=10
• 11 years agoHelpfull: Yes(4) No(0)
• ans is 10
  left side from 2 multiples
  right side from 3
• 11 years agoHelpfull: Yes(2) No(0)
• 1*3=3
  16*3=48
  8*3=24
  10*3=30
  4*3=12
  30*3=90
  so going to select option from answer. so 33 is correct answer. 11*3=33.
• 11 years agoHelpfull: Yes(0) No(2)