what does the below rebus means?

What is both possible and impossible at the same time?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

In the picture given below, can you find out which digit will take place of the question mark?

Joseph buys three kinds of chocolates for 100 rupees. The first one is priced at 5 rupees, second one at 3 rupees and third one at 0.5 rupees.

If he bought 100 chocolates in total, how many pieces do you think he bought each chocolate?

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

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?