Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Can you divide the below-given shape into four equal and identical pieces?

Before the start of the car race, John and Jacob have the same amount of fuel in their car. With this fuel, John can drive for 4 hours while Jacob can drive five hours.
After a time they realize that the amount of fuel left in John's car is 1/4th of the fuel in Jacob's.

For how long they are racing?

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

In the image given, you can find several triangles. Can you count them all?

What is wrong in the below Picture?

A cricket has 6 legs, a squirrel has 4 legs and a spider has 8 legs.

In a local zoo, it was found that the total number of legs is 612. Also, there are equal number of each of the above animals/insects.

Can you find out how many animals are there in the zoo?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

I add 5 to 9 and get 2. The answer is correct, so what am I?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?