Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

What breaks yet never falls, and what falls yet never breaks?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

I have eight fingers and two thumbs but I do not live. What Am I?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

With the help clues provided in the image, can you find the 5 digit key?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

What has no start, end, or centre?