I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

Find the Goldfish below the given Image.

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

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