Number Series Questions and Answers


General Aptitude

Number Series


    1)

    What should come in place of the question mark (?) in the  following number series?

    1      5     17     53      161     485     ?

  • A)1168
  • B)1254
  • C)1457
  • D)1372
Answer: C

    2)

    What should come in place of the question mark(?) in the following number series?

    1     4     14       45      139     422     ?

  • A)1268
  • B)1234
  • C)1272
  • D)1216
Answer: C

    3)

    What should come in place of the question mark(?) in the following number series?

    2     5     11     23     47     95     ?

  • A)168
  • B)154
  • C)191
  • D)72
Answer: C

    4)

    121     117     108     92     67     ?

  • A)31
  • B)29
  • C)41
  • D)37
Answer: A

    5) 50    26     14     ?     5     3.5

  • A)6
  • B)8
  • C)10
  • D)12
Answer: B