What number comes next in the series?

5 15 5 18 5 24 14 20 _

What happened when the wheel was invented?

What has to be broken before you can use it?

There is something which you can be arrested for attempting but not for successfully completing.

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

Why do Chinese men eat more rice than Japanese men do ?

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

Can you solve the photo plexer logic ?

What is the Surname of Barbie Doll?

I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?