Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

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

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

Replace the question mark with the correct number in below Picture:

A sundial has the fewest moving parts of any timepiece. Which has the most?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?