You need to arrange three 7 and mathematical symbols to form number 1?

Replace the question mark with the correct number below.

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

1. How can we put an elephant in the refrigerator?
2. How can we put a Giraffe in a refrigerator?
3. The king of the jungle invites all the animals to a party everyone comes except for one animal, which animal?
4. You come to a crocodile-infested lake, you can't go around it, you can't co under it and you can't go over it, how do you get across?

Count the Triangle in the figure given below:

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different. How do you measure 45 minutes?

You have 1023 apples and 10 bags. You have to distribute these apples in these 10 bags in any way you choose. But when I ask for a certain number of apples you have to give them in terms of bags without transferring the apples from other bags. How do you distribute the apples?

Can you name some countries which do not have the alphabet 'A' in them?

Count the number of balls in picture below:

There was a strange boy who was born before his father. How can this be possible?