Question

ASSIGNMENT
Q1. Write the roster form of = {x/ X € N and 5 < x2 < 50).
Q2. Give example of two sets whose intersection is an empty set.
Q3. How many subsets a set has containing 5 elements.
Q4. Write the set (1,2,3,6,9,18 } in set builder form.
Q5. Define power set.
Q6. Write all the subsets of the set {nul set, 1).
Q7. Find sets A, B and C such that An B, Bn Care non empty sets and AnBnC = 0.
Q8. Two finite sets having m and k elements. If the total number of subsets of the first
set is 56 more than the total number of subsets of second set, then find m and k.
29. For all sets A, B and C, is (AUB)UC = AU(BUC) ? justify your answer.
Q10. If U = (1,2,3 ..., 10), A= {x: x ,=x: x is a prime} , B={x:x is even integer). Then write the
value of AnB
Q11. A survey shows that 63% people watch news channel A whereas 76% watch news
channel B. if x% watch both the channels, prove that 39 < x < 63
Q12. Let A and B be sets. If An X= BOX = 0 and AU X= BU X for some set X, show that A=B​

Answer 1

Step-by-step explanation:

Write the roster form of = {x/ X € N and 5 < x2 < 50).

Answer 2

Step-by-step explanation:

Ans is { 3,4,5,6,7 }

5 से बड़ी संख्या और 50 से छोटी संख्या।

3×3 = 9

4×4 = 16

5×5 = 25

6×6 = 36

7×7 = 49