What occurs twice in a week, once in a year but never in a day?

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

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

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

It is always ahead of me yet I can never see it. What is it?

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

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?