what does the below rebus means?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

Two prisoners Jack and Jill are locked in a cell.
There is open window approx 40 feet above the ground of the cell.
They are never able to reach there.

Then they plan to escape by a tunnel and they start digging out.
After digging for more than 20 days, Jill comes with the different plan and they escaped.

what was the plan ?

What Adam and Eve do not have but the rest of the people have?

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

The cream is heavier than Milk. True or False?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

Decode this picture on T-Shirt and tell what it says ?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?