#PuzzleOfTheDay: Here is an easy one. How fast can you find the value of the missing number?

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

https://knowledgezone.co.in/resources/quiz?qId=64130bfca2a077d6d106c3c8