What is always in front of you but can’t be seen?

Spot what is wrong here in below Picture?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

A father's child, a mother's child, yet no one's son.

Who am I?

What is common among 11, 69, and 88?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

Find the next number in the sequence

5 12 24 36 ?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

Why 1729 is a magic number? Answer Logically.