What has many keys but can’t open a single lock?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

Can you write down eight eights so that they add up to one thousand?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

Remove two matchsticks to make the below equation correct.

I throw two dice simultaneously.

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

What happened when the wheel was invented?

What kind of tree can you carry in your hand?

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

In the picture given below, can you find out which digit will take place of the question mark?