You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

Spot 5 differences in two Christmas tree below:

Find the next number in the series below

21 32 54 87 131 ?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

What is the riddle which can be asked all day with a different correct answer each time.

In an office's desk, you find a unique method that shows the current day of the month. Two numbered cubes are used to depict the current date.

Can you find out the numbers on both the cubes so that each date can be mentioned using them?

Please note that you have to use both the cubes to display any date. Thus the 1st day must be represented by 01 and so on.

What number should come in place of the question mark below?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

What has one letter and starts with an E?

In which direction should the missing arrow point?