Question

Exercise 1.7
Multiple Choice Questions
1.
Which of the following is correct?
(1) {7} € {1,2,3,4,5,6,7,8,9,10)
(3) 7€ {1,2,3,4,5,6,7,8,9,10}
(2)7 € {1,2,3,4,5,6,7,8,9,10}
(4) {7} & {1,2,3,4,5,6,7,8,9,10)
2. "The set P = {x|x€ Z ,-1< x < 1) is a
(1) Singleton set (2) Power set (3) Null set (4) Subse:
3. If U ={x|XE N. x < 10) and A = {x|XE N. 2 sx<6} then (A) is
(1) {1,6,7,8,9} (2) {1,2,3,4} (3) {2,3,4,5)
(4) ()
1 If R A then n(ANB) is​

Answer 1

Answer:

your ans is

ques1- ans is C

ques2- ans is B