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What will come at the place of question mark ?
6, 11, 21, 36, 56, ?

A. 91

B. 51

C. 81

D. 42

Answer: Option C

Solution(By Examveda Team)

6 (+5)→ 11 (+10)→ 21 (+15)→ 36 (+20)→ 56 (+25) → 81.


This Question Belongs to Competitive Reasoning >> Number Series Completion

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Comments ( 4 )

  1. Vani.k Vani.k
    Vani.k Vani.k :
    3 years ago

    Amazing

  2. Laxman Hugar
    Laxman Hugar :
    3 years ago

    Tq so much sir

  3. Tsega Negussie
    Tsega Negussie :
    3 years ago

    6 (+5)→ 11 (+10)→ 21 (+15)→ 36 (+20)→ 56 (+25) → 81, what about 25 , how do you get it?

  4. Ing. Brown
    Ing. Brown :
    4 years ago

    alternate solution by Ing. Justice Brown gh
    6, 11, 21, 36, 56, ?
    11 - 6 =5
    21 - 11 =10
    36 - 21 =15
    56 - 36 = 20
    this means that at next level 5 is added to the difference
    so the next number will be 56 + 25 = 81

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