What will you call your mother's brother's brother-in-law?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

What is at the end of a rainbow?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

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

I have eight fingers and two thumbs but I do not live. What Am I?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

You can see it everyday, But cannot touch it at will. What is it?