What has no start, end, or centre?

Which letter of the alphabet has the most water?

What is common among 11, 69, and 88?

How is a fly different from a mosquito?

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 always comes into a house through the keyhole?

A bomb exploded in a room full of married couples and no one died. How?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

How many runs at maximum can a batsman score in a normal one-day match? Consider the fact that the conditions are ideal and there are no No Balls, no Wide Balls and no Extras in that match.

The answer I give is yes, but what I mean is no. What was the question?