What word is pronounced the same if you take away four of its five letters?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

I look at you, you look at me, I raise my right, you raise your left. What am I?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”

Count the number of squares in the picture below.

A landlord calls both of his sons and tells them that their horses will now decide who will transfer the inheritance. He tells them to race along the land till the end and the one whose horse will be slower will win and be the heir to all the property.

Both of them keep wandering for days but to no result. Then they ask a wise man regarding it. The man advises them on the matter after which they jump on the horses and race as fast as they can till the end. Why did they do it?

What did the wise man say?