You can see three almost identical images below. Can you spot the odd one out from them?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Using eight eights and addition only, can you make 1000?

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

which number am I?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Sally lives in a place where six months of the year is mild summer and the temperature drops significantly the other six months. She owns a lake where there is a small island. She wants to build a house on the island and needs to get materials there. She doesn’t have a boat, plane, or anything to transport them to the island. How does Sally solve this problem?

What does man love more than life, and hate more than death or mortal strife; that which satisfied men want; the poor have, and the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?