I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

A king sentenced a man to the death sentence for some crime he had committed. Known for his kindness, the king told the culprit that he had a choice to die in a way he decides.

The culprit was clever and said something that saved him from death. What method do you think he must have chosen for his death?

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

If you say my name, I will no longer exist. What am I?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Be active and find the killer in the picture Riddle below.