If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

Why is the longest human nose just 11 inches?

If 21x = 79x, what is the value of x?

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

A man dies of old age on his 25 birthday. How is this possible?

O_er_t_o_

Complete the missing letters of the given word.

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

You are a prisoner sentenced to death. The Emperor offers you a chance to live by playing a simple game. He gives you 50 black marbles, 50 white marbles, and 2 empty bowls. He then says, 'Divide these 100 marbles into these 2 bowls. You can divide them any way you like as long as you use all the marbles. Then I will blindfold you and mix the bowls around. You then can choose one bowl and remove ONE marble. If the marble is WHITE you will live, but if the marble is BLACK... you will die.'

How do you divide the marbles up so that you have the greatest probability of choosing a WHITE marble?