Can you solve this picture maths equation?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

Look at me. I can bring a smile to your face, A tear to your eye, Or even a thought to your mind. But, I can't be seen. What am I?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

Can you place six X (crosses) in below board without making three in a row in any way ?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

How many words can a pen with half refill write?

You bought me for dinner but never eat me. What am I?