In the four images below, can you find the odd one out?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

What will you call your mother's brother's brother-in-law?

Can you solve the below tricky visual equation?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

A father's child, a mother's child, yet no one's son.

Who am I?

What are the five permanent members of the UN Security Council?

a) France, Germany, Italy, Japan, United Kingdom
b) Canada, Mexico, Saudi Arabia, Turkey, United Arab Emirates
c) Brazil, India, Nigeria, South Africa, South Korea
d) China, France, Russia, United Kingdom, United States

During which month do people sleep the least?

Three people check into a hotel. They pay $60 for the rent of the room. After they check-in, the manager realize that the rent for the room is $55. So, he gives $5 to the bellboy and asks him to give it to them. The bellboy thinks that it will be difficult for the three people to share $5 among them and seeking the personal benefit, he pockets $2 and gives the remaining $3 to them.

Now, each person paid $20 and got back $1. In this manner, each of them paid just $19 which totals to the amount of $57. The bellboy has $2 with him and adding them, we get $59. So where is the remaining $1?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?