Complement of `50^@` is______

The Complement of 40^@ is _______

Complement of 30^@ is______

Complement of 52^@ is _____

Complement of 80^@ is ______

Complement of x^@ is ______

Mean of x, 1/x is m then the mean of x^3,1/x^3 is______

Simplest form of 375/1000 is______

Find the complement of 43^@

If A and B are any two events such that P(A)=(2)/(5) and P(AnnB)=(3)/(20) , then the conditional probability, P(A//(A'uuB')) , where A' denotes the complement of A, is equal to

Number of points on a line is______