Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

In a town, there are four houses located at different distances from each other. Following are the distances:

The third house is 60 meters apart from the first house.
The fourth house is 40 meters apart from the second house.
The third house is 10 meters nearer to the fourth house than it is to the second house.

Can you find out the distance between the fourth and the first house?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Why is the longest human nose just 11 inches?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

A container contains 100 eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container.

If you are asked to pick two eggs randomly from the container, at least one of them will be rotten.

Can you calculate how many eggs in that container are fresh?

What breaks yet never falls, and what falls yet never breaks?

What is the coolest letter in the alphabet?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?