Written Instructions:
For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..
For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.
Leave your answers in the simplest form or correct to two decimal places.
| 1) If n(A∩B) = 6, n(AUB) = 35, n(A) = 20, find n(B). A B 20 35 6 n(B) = Answer:_______________ |
| 2) If n(A∩B) = 9, n(AUB) = 42, n(A) = 24, find n(B). A B 24 42 9 n(B) = Answer:_______________ |
| 3) If n(A∩B) = 6, n(AUB) = 40, n(A) = 16, find n(B). A B 16 40 6 n(B) = Answer:_______________ |
| 4) If n(A∩B) = 6, n(AUB) = 38, n(A) = 19, find n(B). A B 19 38 6 n(B) = Answer:_______________ |
| 5) If n(A∩B) = 9, n(AUB) = 35, n(A) = 21, find n(B). A B 21 35 9 n(B) = Answer:_______________ |
| 6) If n(A∩B) = 9, n(AUB) = 42, n(A) = 16, find n(B). A B 16 42 9 n(B) = Answer:_______________ |
| 7) If n(A∩B) = 9, n(AUB) = 37, n(A) = 21, find n(B). A B 21 37 9 n(B) = Answer:_______________ |
| 8) If n(A∩B) = 8, n(AUB) = 32, n(A) = 23, find n(B). A B 23 32 8 n(B) = Answer:_______________ |
| 9) If n(A∩B) = 8, n(AUB) = 46, n(A) = 25, find n(B). A B 25 46 8 n(B) = Answer:_______________ |
| 10) If n(A∩B) = 3, n(AUB) = 33, n(A) = 18, find n(B). A B 18 33 3 n(B) = Answer:_______________ |
| 1) If n(A∩B) = 6, n(AUB) = 35, n(A) = 20, find n(B). A B 20 35 6 n(B) = Answer: 21 SOLUTION 1 : Solution: n(A∩B) = 6, n(AUB) = 35, n(A) = 20 n(AUB) = n(A) + n(B) - N(A∩B) 35 = 20 + n(B) - 6 35 = 14 + n(B) n(B) = 35 - 14 n{B) = 21 |
| 2) If n(A∩B) = 9, n(AUB) = 42, n(A) = 24, find n(B). A B 24 42 9 n(B) = Answer: 27 SOLUTION 1 : Solution: n(A∩B) = 9, n(AUB) = 42, n(A) = 24 n(AUB) = n(A) + n(B) - N(A∩B) 42 = 24 + n(B) - 9 42 = 15 + n(B) n(B) = 42 - 15 n{B) = 27 |
| 3) If n(A∩B) = 6, n(AUB) = 40, n(A) = 16, find n(B). A B 16 40 6 n(B) = Answer: 30 SOLUTION 1 : Solution: n(A∩B) = 6, n(AUB) = 40, n(A) = 16 n(AUB) = n(A) + n(B) - N(A∩B) 40 = 16 + n(B) - 6 40 = 10 + n(B) n(B) = 40 - 10 n{B) = 30 |
| 4) If n(A∩B) = 6, n(AUB) = 38, n(A) = 19, find n(B). A B 19 38 6 n(B) = Answer: 25 SOLUTION 1 : Solution: n(A∩B) = 6, n(AUB) = 38, n(A) = 19 n(AUB) = n(A) + n(B) - N(A∩B) 38 = 19 + n(B) - 6 38 = 13 + n(B) n(B) = 38 - 13 n{B) = 25 |
| 5) If n(A∩B) = 9, n(AUB) = 35, n(A) = 21, find n(B). A B 21 35 9 n(B) = Answer: 23 SOLUTION 1 : Solution: n(A∩B) = 9, n(AUB) = 35, n(A) = 21 n(AUB) = n(A) + n(B) - N(A∩B) 35 = 21 + n(B) - 9 35 = 12 + n(B) n(B) = 35 - 12 n{B) = 23 |
| 6) If n(A∩B) = 9, n(AUB) = 42, n(A) = 16, find n(B). A B 16 42 9 n(B) = Answer: 35 SOLUTION 1 : Solution: n(A∩B) = 9, n(AUB) = 42, n(A) = 16 n(AUB) = n(A) + n(B) - N(A∩B) 42 = 16 + n(B) - 9 42 = 7 + n(B) n(B) = 42 - 7 n{B) = 35 |
| 7) If n(A∩B) = 9, n(AUB) = 37, n(A) = 21, find n(B). A B 21 37 9 n(B) = Answer: 25 SOLUTION 1 : Solution: n(A∩B) = 9, n(AUB) = 37, n(A) = 21 n(AUB) = n(A) + n(B) - N(A∩B) 37 = 21 + n(B) - 9 37 = 12 + n(B) n(B) = 37 - 12 n{B) = 25 |
| 8) If n(A∩B) = 8, n(AUB) = 32, n(A) = 23, find n(B). A B 23 32 8 n(B) = Answer: 17 SOLUTION 1 : Solution: n(A∩B) = 8, n(AUB) = 32, n(A) = 23 n(AUB) = n(A) + n(B) - N(A∩B) 32 = 23 + n(B) - 8 32 = 15 + n(B) n(B) = 32 - 15 n{B) = 17 |
| 9) If n(A∩B) = 8, n(AUB) = 46, n(A) = 25, find n(B). A B 25 46 8 n(B) = Answer: 29 SOLUTION 1 : Solution: n(A∩B) = 8, n(AUB) = 46, n(A) = 25 n(AUB) = n(A) + n(B) - N(A∩B) 46 = 25 + n(B) - 8 46 = 17 + n(B) n(B) = 46 - 17 n{B) = 29 |
| 10) If n(A∩B) = 3, n(AUB) = 33, n(A) = 18, find n(B). A B 18 33 3 n(B) = Answer: 18 SOLUTION 1 : Solution: n(A∩B) = 3, n(AUB) = 33, n(A) = 18 n(AUB) = n(A) + n(B) - N(A∩B) 33 = 18 + n(B) - 3 33 = 15 + n(B) n(B) = 33 - 15 n{B) = 18 |