What has no start, end, or centre?

What is the centre of gravity?

You are a cab driver who pools passengers. You pick 3 people from a destination and drop 1 after an hour. 2 people climb aboard at the same time and you drop 3 at the next destination. After some time, you pick 2 passengers only to drop 1 after a short distance where 3 more passengers climb up the cab. You leave the rest of the passengers one by one to their destination and then come back home.

Can you tell the eye color of the cab driver?

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

81 x 9 = 801. What must you do to make the this equation true?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Find the missing letter in the last circle logically in the given below picture.

Can you solve below mathematical equation?

2^1234 - 2^1233

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

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 ?