Complete the series 2, 7, 24, 77,__
Ans: 240

• (1st no.*3)+1=(2*3)+1=7
  (2nd no.*3)+3=(7*3)+3=24
  (3rd no.*3)+3=(24*3)+5=77
  (4th no.*3)+1=(77*3)+7=238
• 12 years agoHelpfull: Yes(53) No(2)
• ist*12=3rd 2*12=24
  2nd*11=4th 7*11=77
  3rd*10=5th 24*10=240
• 12 years agoHelpfull: Yes(32) No(9)
• (2*3)+1=7
  (7*3)+3=24
  (24*3)+5=77
  so ans is (77*3)+7=240
• 12 years agoHelpfull: Yes(15) No(27)
• 3^2-2=7
  3^3-3=24
  3^4-4=77
  therfore 3^5-5=238
• 12 years agoHelpfull: Yes(6) No(2)
• 238 is correct
• 12 years agoHelpfull: Yes(5) No(0)
• simply:-
  2*12=24
  7*11=77
  so; similarly-
  24*10=240.
  Hence ans will be 240.
• 12 years agoHelpfull: Yes(3) No(12)
• we must go thruogh the options for such confusion. . both won't be in options. . ny of the both vl be in options vl be the correct one :)
• 12 years agoHelpfull: Yes(3) No(2)
• cud anyone telme..which one of the abv is correct ans?? :O
• 12 years agoHelpfull: Yes(2) No(0)
• 238 is correct .....divya is right...
  we can't say in 240 sol next it will mul by 10 ...may be again same sequence 12 &11.
• 12 years agoHelpfull: Yes(2) No(0)