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?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

What number should come in place of the question mark below?

No matter how little or how much you use me, you change me every month. What am I?

I always drive my customer away.

Who am I?

How far can you walk into the woods?

Using Only Five 5's and any mathematical operator make sum as 37

Can you solve the photo plexer logic ?

One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?