I always drive my customer away.

Who am I?

What four weights can be used to balance from 1 to 30 pounds?

A man dies of old age on his 25 birthday. How is this possible?

Can it be possible to build a house that has all its four walls facing towards the South?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

Rearrange the letters in "new door" to make one word.

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Seven Robbers robbed a bank and hide the coins in a lonely place.
They decide to divide the money equally the next morning. Two greedy robbers decided to cheat the others and reach the place at night. They equally divided the coins between them, one coin left. So they called another robber and then they decided to divide equally among the three. Sadly again one coin left. The same thing happened to the 4th 5th and the 6th robber.
However, when the 7th robber reached in the morning, they can divide the coins equally.

How many coins were there in total?

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

What is it?

In a rainy season, one day 3 huge ladies walked under a normal-sized umbrella.
The umbrella is not huge enough to accommodate all 3 ladies yet not a single lady got wet. Why?