Which number cannot represent a probability?

Which of the following cannot reperesent probability?

Which of the following cannot represent the probability ?

From the following which number cannot be the probability of any number :

From the following which number cannot be the probability of any event .

C_3H_9N cannot represent

Which of the following numbers cannot be the probability of an events ?

Look at the numbers shown below. Which of the above numbers represent probabilities of events?

The number of boys in a class is three times the number of girls. Which of the following numbers cannot represent the total number of children in the class?

The number of girls in a class is one third of the number of boys. Which one of the following numbers cannot represent the total number of children in the class?