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4 votes
1+4=5 2+5=12 3+6=21 8+11=

User TFM
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7.1k points

2 Answers

2 votes
1 + 4 = 5

2 + 5 = 7 but you have to add the 5 from the previous addition problem, and it'll give you 12

3 + 6 = 9 but you have to add the 12 from the previous addition problem, and it'll give you 21

If you continue the pattern (4+7, 5+8, 6+9, 7+10) then 8 + 11 will be 96.

User Yannis
by
8.3k points
3 votes
21+8+11 equals to 40.
40 is your answer

User Nostradamus
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