Can you figure out what number comes next?

3, 2, 12, 4, 25, ?

• 3, 2, 12, 4, 25, ?
  
  here odd numbers are multiplieed by 3,4,5,6,7 ..
  and even numbers are written without any change.
  so series becomes
  3(1*3), 2, 12(3*4), 4, 25(5*5), 6,42(7*6),8,63(9*7),
• 11 years agoHelpfull: Yes(8) No(1)
• Ans:6.
  Here square of second number - (1,4,9,16) is the previous number.
  
  3(2^2-1),2,12(4^4-4),4,25(6^6-9),6
  
• 11 years agoHelpfull: Yes(2) No(0)
• (2^2-1^1)=3
  2
  (4^2-2^2)=12
  4
  (6^2-3^2)=25
  6
  (8^2-4^2)=48
  
• 11 years agoHelpfull: Yes(1) No(0)