Can you solve the photo plexer logic ?

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

I can be cracked, made, told, and played. What am I?

Replace the question mark with the correct number below.

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

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?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?