Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

What does this rebus means ?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

Why is the longest human nose just 11 inches?

A crime was committed at baker street. Ibrahim Dakota who was shot in the stomach was the main suspect. Sherlock questioned the suspect. The conversation started as:
Sherlock: What's your story, Ibrahim?
Ibrahim: I was walking around baker street and suddenly a man from the back shot me. I ran as fast as I could to save my life".
Sherlock: That is enough (and ask the police to arrest him).

Why does Sherlock think he is the murderer?

When 99 is considered higher than 100?

Can you count the number of squares in the figure below?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?