What will be come in that question mark 11,?,16,21,29,41.
Answers
The given sequence:
11, ?, 16, 21, 29, 41
We have to find, the question mark(?) will be:
Solution:
The pattern follow:
+ 2, + 3( 2 + 1), + 5(3 + 2), + 8(5 + 3), + 12(8 + 4), ....
? = 11 + 2
⇒ ? = 13
16 = 13 + (2 + 1)
= 13 + 3 = 16
21 = 16 + (3 + 2)
= 16 + 5 = 21
29 = 21 + (5 + 3)
= 21 + 8 = 29
41 = 29 + (8 + 4)
= 29 + 12 = 41
∴ Missing number (?) = 13
Thus, the value of "missing number (?) is equal to 13".
Given :- What will be come in that question mark 11,?,16,21,29,41 ?
Solution :-
11, ?, 16, 21, 29, 41
checking difference of last 4 digits we get,
→ 21 - 16 = 5
→ 29 - 21 = 8
→ 41 - 29 = 12
Now, checking Difference of difference we get,
→ 8 - 5 = 3
→ 12 - 8 = 4 .
Conclusion :- Difference of difference is in increasing order. { + 1. }
therefore,
→ Before 16 we have a difference of difference which is equal to previous number that is 2.
then,
→ Difference = 5 - 2 = 3 .
therefore,
→ Required result = 16 - 3 = 13. (Ans.)
Confirmation :-
11, 13, 16, 21, 29, 41
2 3 5 8 12
1 2 3 4
Learn more :-
423:24::534:60::752:70::245:?
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Use inductive reasoning to determine the next two terms in the sequence:
A , 6 , D , 16 , H , 46 , M , 136
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