What will come at the place of question mark ?
6, 11, 21, 36, 56, ?
A. 91
B. 61
C. 81
D. 71
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)
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Amazing
Tq so much sir
6 (+5)→ 11 (+10)→ 21 (+15)→ 36 (+20)→ 56 (+25) → 81, what about 25 , how do you get it?
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