Which is the rope you never skip with?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

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 kind of band never plays music?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

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

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

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Can you count the number of triangles in the picture below?