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Home Verbal Reasoning Number Series See What Others Are Saying!
  • Question
  • 2 , 8 ,32 , 148 , 765 , 4626 , 32431


  • Options
  • A. 765
  • B. 148
  • C. 8
  • D. 32

  • Correct Answer
  • 32 

    Explanation

    From the given graph , we can see that the increasing order of series as -
    First term = 2
    Second term = First term × 2 + 22
    ? Second term = 2 × 2 + 22 = 4 + 4 = 8 ;
    Third term = Second term × 3 + 32
    ? Third term = 8 × 3 + 32 = 24 + 9 = 32 ; 32 is wrong. It should be 33.
    Similarly , we can find all others terms also.
    Fourth term = Third term × 4 + 42
    ? Fourth term = 33 × 4 + 42 = 132 + 16 = 148 ;
    Fifth term = Fourth term × 5 + 52
    ? Fifth term = 148 × 5 + 52 = 740 + 25 = 765 ;
    Sixth term = Fifth term × 6 + 62
    ? Sixth term = 765 × 6 + 62 = 4590 + 36 = 4626 ;
    Seventh term = Sixth term × 7 + 72
    ? Seventh term = 4626 × 7 + 72 = 32382 + 49 = 32431
    Hence, 32 is wrong. It should be 33.



  • More questions

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    • Options
    • A. Shadow
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    • 2. A scenery always has ________

    • Options
    • A. Rivers
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    • D. Composition
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    • 3. Some mangoes are yellow. Some tixo are mangoes. Conclusions: (i) Some mangoes are green. (ii) Tixo is a yellow.

    • Options
    • A. Only conclusion (i) follows
    • B. Only conclusion (ii) follows
    • C. Either (i) or (ii) follows
    • D. Neither (i) nor (ii) follows
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    • 4. 1.Water boils at 100 degree C 2.Water freezes at 0 degree C Conclusion: At low pressure ,water boils at lower temperature The conclusion drawn is

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    • 5. Atmosphere always has

    • Options
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    • 6. Hydrogen is lighter than Hydrogen .Hydrogen is lighter than helium.Therefore,Oxygen is the heaviest of the three gases

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    • Options
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