I travel all around the world but always stay in the corner. What am I?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

What begins with T, ends with T, and has T in it?

What has no start, end, or centre?

What question can you never answer yes to?

In the four images below, can you find the odd one out?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?