A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

Move three sticks of the spiral below to form a square.

When does a USA Potato change its nationality?

If you had an infinite supply of water and 5-quart and 3-quart pails, how would you measure exactly 4 quarts? What is the least number of steps you need?

Find the Goldfish below the given Image.

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

What can you see in the middle of March and April that you can never see in any other month?

When it is alive we sing, when it is dead we clap our hands. What is it?