Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Complete the following series. It.s very logical:

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

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

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

Find the hidden tiger in the given optical illusion ?

What makes this number unique: 8,549,176,320?

In which direction should the missing arrow point?

There are 4 big houses. They are made from the materials: red marble, green marble, white marble and blue marble.

* Mrs Jennifer's house is somewhere to the left of the green marble one and the third one alone is white marble.
* Mrs Sharon owns a red marbles house and Mr Cruz does not live at either end, but lives somewhere to the right of the blue marbles house.
* Mr Danny lives in the fourth house, while the first house is not made from red marble.

Who lives where, and what is their house made from?

Can you quickly find which two matchstick figures are identical?