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?

If 1+9+8=1, what is 2+8+9?

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

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Can you count the number of blocks in the picture below?

If eleven plus two equals one, what does nine plus five equal?

Replace the question mark with the number below given a simple math problem.

On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

Can you tell me how many 20-paisa and 25-paisa he got?

John needs to purchase 100 chocolates from three different shops and he has exactly 100 rupees to do that which he must spend entirely. He must buy at least 1 Chocolate from each shop.

The first shop is selling each chocolate at 5 paise, the second is selling at 1 rupee and the third is selling at 5 rupees.

How many chocolates should he buy from each shop?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?