What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

In the following series, a set of numbers is progressing with a particular pattern. Can you deduce that pattern and find the missing set?

(2 + 6), (21 + 6), (58 + 6), (119 + 6), ___

The centre of the third figure is empty. What digit should fit inside?

In the picture given below, can you find out which digit will take place of the question mark?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

What do you get if you add 2 to 100 four times?

How many times do a clock's hands overlap in a day ?