How many words can a pen with half refill write?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?

The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think it's wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Prove that the below maths equation is true.

8 + 8 = 91

When we see 2 but call 10?

You walk into a room and see a bed. On the bed, there are two dogs, five cats, a giraffe, six cows, and a goose. There are also three doves flying above the bed. How many legs are on the floor?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?