P is the set of factors of 5, Q is the set of factors of 25 and R is the set of factors of 125. Which of the following is false?
(A) `P subset Q` (B) `Q subset R` (C) `R subset P` (D) `P subset R`

A is the set of prime number less than 10, B is the set of odd numbers less than 10 and C is the set of even numbers of less than 10. Which of the following statements are true? (i) A subset B (ii) B subset A (iii) A subset C (iv) C subset A (v) B subset C (vi) phi subset A

If R is the set of real numbers and Q is the set of rational numbers, then what is R – Q ?

Let A = {p, q, r}. Which of the following is an equivalence relation on A?

Write down all the subsets of the following sets {a,b}

Write down all the subsets of the following sets : {5 ,{5} }

For an L-C-R series circuit, the Q-factor is …

If A and B are two events such that A subset B and P(B) != 0 , then which of the following is correct?

The value of the Q-factor in an L-C-R series circuit is ……..

Express the following decimals in the form of p/ q , and write the prime factors of q. What do you observe? 4.123

If A = {p,q,r, s} and B = {1, 2, 3} , find which of the following is not a function from A to B?