What does this rebus puzzle means ?

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 ?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Which letter of the alphabet has the most water?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

Find the next number in the following series:
6, 14, 26, 98, __?

Replace the question mark with the correct number.

People put me on the table and cut me but do not eat me. What am I?

Which Burger Is Different in below image?