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

Can you count the number of squares in the given picture?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

Can you replace the question mark with the correct number?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

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?

Be active and find the killer in the picture Riddle below.