When this problem was initially posted on Facebook, it included the claim that only one in 1,000 people could solve it.

The problem:

1 + 4 = 5

2 + 5 = 12

3 + 6 = 21

8 + 11 =  ?

What do you think the answer is?

The problem went viral and generated over 3 million comments with people arguing about the correct answer. What do you think the correct answer is?

Get an explanation of the solution.

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Nasima
Nasima
24 days ago

The answer is 40

haile terefe
haile terefe
1 month ago

The correct answer is 8+11=19 then19+77=96

haile terefe
haile terefe
1 month ago

3+6=21
4+7=32
5+8=45
6+9=60
7+10=77
8+11=94

haile terefe
haile terefe
1 month ago

the correct answer is 94

Jameel khan
Jameel khan
2 months ago

52 is correct answer
Explain:-1+4*1=5
2+5*2=12
3+6*3=21
8+11*4=52

Casper Hutten
Casper Hutten
2 months ago
Reply to  Jameel khan

8+11=88+8=96,