If you say my name, I will no longer exist. What am I?

Can you start the fire using two pieces of wood?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Find the number of squares in the below picture

What you cannot hold but it is yours?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

Find the hidden panda in the image below.

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?