You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

Three cars are driving on a track that forms a perfect circle and is wide enough that multiple cars can pass anytime. The car that is leading in the race right now is driving at 55 MPH and the car that is trailing at the last is going at 45 MPH. The car that is in the middle is somewhere between these two speeds.
Right now, you can assume that there is a distance of x miles between the leading car and the middle car and x miles between the middle car and the last car and also, x is not equal to 0 or 1.
The cars maintain their speed till the leading car catches up with the last car and then every car stops. In this scenario, do you think of any point when the distance between any two pairs will again be x miles i.e. the pairs will be x distance apart at the same time ?

Make a sentence consisting of three words that have the whole alphabet.

What does this mean?

CCCCCCC

A man is approaching a broad and barren land. He has a package with him. If somehow, he is unable to open the package before reaching the land, he will die.

Can you guess what is present in the package?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

What does does this rebus picture means ?