Can you find a number that lies one third of the distance between 1/3 and 2/3?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Find the smallest sentence with all the English alphabet.

What is full of holes but still holds water?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

The host of a game show, offers the guest a choice of three doors. Behind one is a expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?

It belongs to you, but other people use it more than you do. What is it?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?