You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Which letter of the alphabet has the most water?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

Find the number of squares in the below picture

What kind of storm is always in a rush?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

What is so fragile that saying its name breaks it?