What is the pH of a neutral solution?

In a neutral solution

What is meant by pH value of a solution ? What is pH of neutral solution ?

At 100^@C the K_w of water is 55 times its value at 25^@C . What will be the pH of neutral solution ? (log 55=1.74 )

What is the pH of an alkaline solution ?

What is the pH of a 0.025 M solution of KOH ?

At certain temperature pH of 10^-2 M NaOH is 10. Then the pH of neutral solution is