WorldBright Collage Mathematics mid exam for Accounting and business Management Week End Progr Deprt. Bum Group___ _time 1 hrs(30%) Name Gima Abit home ID. No 1. Write True or False (1 marks each) A 1. A sentence is said to be proposition if and only if it is either true or false 2. Every set is a proper sub set of itself. 3. Every set is a sub set of itself. 4. If A={6, 8, 9} and B = { a, b, c }, then A= B. 5. Empty set is a proper subset of every set. II. Choose the best answer from the given alternatives(1.5 marks each) ---1.If the number of elements in the given set A is 4, then the number of sub- B) 12 C) 15 D) 16 2. From question NO 1, what is the number of proper sub sets from se 8 600 A 8 A 64 B) 12 C).15 D) 16 3. Given: set A=(5,7, a, {b, 3, c, d, c, d), then the number of eleme A 9 B) 6 C) 4 D) 3 4. From question NO 3, what is the number of elements of pow B) 32 C) 48 D) 16 -5. From question NO 3, which of the following is not true? A CEA CEA B) {b, 3, c, d] ≤A C) dE A D) {b, 3, c 6. Which of the following is not a proposition? A) (3x € R) (x² + 1 =0) D. All prime numbers are odd C) I wish you all the best B) 2​