Complement of `52^@` is _____

The Complement of 40^@ is _______

Complement of 80^@ is ______

Complement of x^@ is ______

Complement of 50^@ is______

Complement of 30^@ is______

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

Chracteristic diploid chromosome complement of an organism is called

Find the complement of 43^@

Taking the set of natural numbers as the universal set, write down the complements of the following sets: { x : x is a positive multiple of 3}

Taking the set of natural numbers as the universal set, write down the complements of the following sets: { x : x is a perfect square }