Do You See It?

Buy me, smell me or deliver me, I do not change.

Who am I?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

Spot the cat in the picture below

A father's child, a mother's child, yet no one's son.

Who am I?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

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?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?