What's the best place to go shopping in the ocean?

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.

I make two people out of one. What am I?

When we see 2 but call 10?

Can you place three balls such that the equation shown in the picture holds true?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

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

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?