Just final answer will do, no need workings

Q7 Which of the following statements are true? 1. 2 {1, 2, 3} 2. {2} & {1, 2, 3} 3. 2 c{1, 2, 3} 4. {2} c{1, 2, 3} 5. {2} _{{1}, {2}} 6. {2} {{1}, {2}} Select one: a. Only (1), (2), (4) and (6) are true O b. Only (1), (2), (4) and (5) are true O c. All are true O d. Only (1), (4) and (6) are true Q7 Let A = {a,b,c} and R = {(a, a), (b, b), (C, C)}. Which of the following statement is most complete in describing R? Select one: O a. Ris an equivalence relation on A. O b. R is a reflexive relation on A. Oc. R is a symmetric relation on A. O d. R is a reflexive and symmetric relation on A. Q2 What are the values of integers m and n such that gcd(126, 34) = 126m + 34n? (express you answer in the form, ?,? in order with a comma separating them and without spaces) Answer: Q4 Let P be the statement Mathematics is easy." and Q be the statement "I do not need to study.". What is/are the best statement/statements in words to describe PQ? A. Mathematics is easy and I do not need to study. B. Mathematics is easy or I do not need to study. C. If Mathematics is not easy, then I do not need to study. D. Mathematics is not easy or I do not need to study. Select one: O a. O b. B o c. c O d. D Q10 What is/are the value(s) of x such that x = -11 (mod 7)? Select one: O a. 22 O b. -4 . 12 O d. 2