Why is the Hole below a Lock?

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?

I have branches, but no fruit, trunk or leaves. What am I?

My location can be determined by the below rebus.
So where am i ?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

Which tank will fill first?

O_er_t_o_

Complete the missing letters of the given word.

Can you fill the blank with the correct number?

6 30 870 756030 _____

These types of puzzles are known as charades. What you have to do is find two words that are referred to in the first stanza and the second stanza and put them together to form the third word in the third stanza.

Just for example, if my first refers to 'off' and my second refers to 'ice', then my whole will be office.

My first is present - future's past -
A time in which your lot is cast.

My second is my first of space
Defining people's present place.

My whole describes a lack of site -
A place without length, breadth, or height.