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

What is more useful when it is broken?

How many times can you subtract the number two from the number fifty?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

I have teeth but i don't bite. Who Am I ?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

John buys rice at Rs.60/kg from Britain and then sells them at Rs.5/kg in India. As a result of this, he becomes a millionaire. How come?

In which direction should the missing arrow point?

Count the number of triangles in the given picture.