
If 1+4=5, 2+5=12, and 3+6=21, what is 8+11? Viral math Puzzle answer
1 + 4 = 5
2 + 5 = 12
3 + 6 = 21
8 + 11 = ?
The Viral 1 + 4 = 5 Puzzle ā Correct Answer Explained below
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Correct Answer: 8+11=96Ā
Ā
Solution: 1
If you look at first 3 Equations a + b means a + ab
a+b => a+ab
Let see now how it works for all equations ,
1 + 4 means 1 + 1(4) = 5
2 + 5 means 2 + 2(5) = 12
3 + 6 means 3 + 3(6) = 21
now will apply same formula for the last equation 8+11=?
8 + 11 means 8 + 8(11) = 96
So final answer isĀ 96 is proved.
Solution : 2
1 + 4 =Ā 5
5Ā + 2 + 5 =Ā 12
12Ā + 3 + 6 =Ā 21
21Ā + 4 + 7 =Ā 32
32Ā + 5 + 8 =Ā 45
45Ā + 6 + 9 =Ā 60
60Ā + 7 + 10 =Ā 77
77Ā + 8 + 11 =Ā 96
Once again we get the answer of 96, that’s surprising!
Didnāt get 96? Check out the second way to solve the problem.
Alternate method :Ā
a+b= a+b(sum of the previous equation)
1 + 4 = 5.
2 + 5 (plus the previous sum of 5) = 12.
3 + 9 (plus the previous sum of 12) = 21.
same logic will apply for last equation also
8 + 11 (plus the previous sum of 21) = 40.
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