Question

a gas has pressure100cm and 136cm of hg at 0c and 100c under constant volume​

Answer 1

Explanation:

There is a 2 digit number whose digits are the same and has got the following property when is square it produces a four digit number whose first two digits are the same and equal to the original -1 and whose last two digits are the same and equal to the half of the original find that number.