Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

what does the below rebus mean?

What has many teeth, but cannot bite?

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

Can you identify the Oscar-winning movie from the rebus below?