In 'aRb' a and b have the same teacher', then R is______

Let A be the set of all student in a school. A relation R is defined on A as follows: ''aRb iff a and b have the same teacher'' The relation R, is

Let A be the set of all student in a school. A relation R is defined on A as follows: ''aRb iff a and b have the same teacher'' The relation R, is

Let S = Set of all children. Define R on S as follows: a, b in S, aRb if a and b have the same mother. Then

aRb' if a is the father of b. then R is _____

Let W= set of all persons living in Delhi. Define a relation R on W as follows: a , b in R, aRb if a and b have the same date of birth. Then which of the following is not true?

In the set W of whole numbers an equivalence relation R is defined as follows : aRb iff both a and b leave the same remainder when divided by 5. The equivalence class of 1 is given by

Let A be a set of compartments in a train. Then the relation R defined on A as aRb iff ''a and b have the link between them'', then which of the following is true for R?

Let A be a set of compartments in a train. Then the relation R defined on A as aRb iff ''a and b have the link between them'', then which of the following is true for R?

Let X be a set containing 3 elements. If two subsets A and B of X are picked at random, the probability that A and B have the same number of elements is k then 1/k is______.