Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

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 ?

Identify The phrase in the picture.

I am white when I am dirty, and black when I am clean. What am I?

Which letter of the alphabet has the most water?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

There were five men at church, and it started raining while they were outside. The four that ran still got wet, but the one that was still stayed completely dry. Why did he stay dry?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

I look at you, you look at me I raise my right, you raise your left. What am I?