As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Can you count the number of quadrilaterals in the picture below?

What has 13 hearts but no other organs?

I have Rs.50 and I spend it in the way as below.

What do you call a fish without an eye?

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?

Can you find the missing piece of the Porsche?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?