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Home Verbal Reasoning Number Series See What Others Are Saying!
  • Question
  • 2 , 3 , 6 , 15 , 45 , 156.5 , 630


  • Options
  • A. 3
  • B. 45
  • C. 15
  • D. 6

  • Correct Answer
  •  

    Explanation

    As per the details in the question the series is in the form of
    First term = 2
    Second term = First term × 1.5
    ? Second term = 2 × 1.5 = 3 ;
    Third term = Second term × 2
    ? Third term = 3 × 2 = 6 ;
    Similarly , we can find all others terms also.
    Fourth term = Third term × 2.5 = 6 × 2.5 = 15 ;
    Fifth term = Fourth term × 3 = 15 × 3 = 45 ;
    Sixth term = Fifth term × 3.5 = 45 × 3.5 =156.5; 156.5 is wrong. It should be 157.5 .
    Seventh term = Sixth term × 4 =157.5 × 4 = 630
    Hence, 156.5 is wrong. It should be 157.5.


  • More questions

    • 1. 
      NA

    • Options
    • A. 215
    • B. 143
    • C. 247
    • D. 91
    • Discuss
    • 2. 
      2 : 32 :: 3 :?

    • Options
    • A. 243
    • B. 293
    • C. 183
    • D. 143
    • Discuss
    • 3. What is always in worry?

    • Options
    • A. Difficulty
    • B. Unrest
    • C. Non-Cooperation
    • D. Poignancy
    • Discuss
    • 4. What is found necessarily in milk?

    • Options
    • A. Cream
    • B. Curd
    • C. Water
    • D. Whiteness
    • Discuss
    • 5. 
      Statement:
      The 'M' Cooperative Housing Society has put up a notice at its gate that sales persons are not allowed inside the society
      Assumptions:
      I. All the sales persons will stay away from the 'M' Cooperative Housing Society.
      II. The security guard posted at the gate may be able to stop the sales persons entering the society

    • Options
    • A. if only assumption I is implicit
    • B. if only assumption II is implicit
    • C. if either I or II is implicit
    • D. if neither I nor II are implicit
    • Discuss
    • 6. 
      b _ y_ _ by _ b _ yt

    • Options
    • A. bgtbt
    • B. btbtb
    • C. atbbt
    • D. cbbte
    • Discuss
    • 7. 
      On which of the following floors does B live?

    • Options
    • A. Sixth
    • B. Fourth
    • C. Second
    • D. Fifth
    • Discuss
    • 8. 
      Frankness : Blunt

    • Options
    • A. Rise : Awake
    • B. Weep : Laugh
    • C. Sickness : Death
    • D. Rest : Activity
    • Discuss
    • 9. _ _aba _ _ ba _ ab

    • Options
    • A. abbba
    • B. abbab
    • C. baabb
    • D. bbaba
    • Discuss
    • 10. 
      Kathak : Bharatnatyam : Odissi

    • Options
    • A. They are the name of music instruments
    • B. They are the classical dance forms of India
    • C. They are the folk dance forms of india
    • D. They are the names of indian tribes
    • Discuss


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