I make two people out of one. What am I?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

Replace the question mark with the number below given a simple math problem.

Can you spot the man between the coffee bean in the picture below ?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

Can you find the six hidden animals in the picture below?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

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?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?