WhatsApp Number Puzzle: If 4+4=20, Then 9 + 9 = ?

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WhatsApp Number Puzzle: If 4+4=20, Then 9 + 9 = ?

WhatsApp Number Puzzle If 4+4=20, Then 9 + 9 =

 

 

Find value of ?? in the below sequence;

If

4+4=20

5+5=30

6+6=42

7+7=56

then,

9+9=???

Answer of this puzzles:

The sequence followed in the given riddle is as follows;

4 + 4 =4 x 5 = 20

5 + 5 = 5 x 6 = 30

6 + 6 = 6 x 7 = 42

7 + 7 = 7 x 8 = 56

then,

9 + 9 = 9 x 10 = 90

Answer = 90

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