During which month do people sleep the least?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

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?

O_er_t_o_

Complete the missing letters of the given word.

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

Can you solve this picture maths equation?

How many sides does a circle have?

I have no life, but I can die. What am I?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

I have an eye but still cannot see.

Who am I?