WhatsApp Number Riddle: If 4+4=20, Then 9 + 9 = ?
Those who like to play with numbers, here is a short riddle to have some fun and challenge your friends.
Find value of ?? in the below sequence;
If
4+4=20
5+5=30
6+6=42
7+7=56
then,
9+9=???
So were you able to solve the riddle? Leave your answers in the comment section below.
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Answer to Riddle:
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