Count the number of triangles in the picture below:

Can you find out which number multiplied by itself will give the output as 12345678987654321?

These types of puzzles are known as charades. What you have to do is to 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 the '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.

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

I cannot talk, but I always reply when spoken to. What am I?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

During which month do people sleep the least?

There are seven sisters in a house in a village where there is no electricity or any gadget.

Sister-1: Reading Novel
Sister-2: Cooking
Sister-3: Playing Chess
Sister-4: Playing Sudoku
Sister-5: Washing clothes
Sister-6: Gardening

what is Sister-7 doing ?

Which is the correct shadow of the bird?

What is the fastest way to double your money?