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) = 4, n(AUB) = 34, n(A) = 15, find n(B). A B 15 34 4 n(B) = Answer:_______________ |
| 2) If n(A∩B) = 4, n(AUB) = 39, n(A) = 23, find n(B). A B 23 39 4 n(B) = Answer:_______________ |
| 3) If n(A∩B) = 5, n(AUB) = 42, n(A) = 19, find n(B). A B 19 42 5 n(B) = Answer:_______________ |
| 4) If n(A∩B) = 7, n(AUB) = 31, n(A) = 18, find n(B). A B 18 31 7 n(B) = Answer:_______________ |
| 5) If n(A∩B) = 9, n(AUB) = 31, n(A) = 21, find n(B). A B 21 31 9 n(B) = Answer:_______________ |
| 6) If n(A∩B) = 6, n(AUB) = 41, n(A) = 22, find n(B). A B 22 41 6 n(B) = Answer:_______________ |
| 7) If n(A∩B) = 9, n(AUB) = 49, n(A) = 24, find n(B). A B 24 49 9 n(B) = Answer:_______________ |
| 8) If n(A∩B) = 8, n(AUB) = 46, n(A) = 20, find n(B). A B 20 46 8 n(B) = Answer:_______________ |
| 9) If n(A∩B) = 5, n(AUB) = 36, n(A) = 15, find n(B). A B 15 36 5 n(B) = Answer:_______________ |
| 10) If n(A∩B) = 6, n(AUB) = 30, n(A) = 21, find n(B). A B 21 30 6 n(B) = Answer:_______________ |
| 1) If n(A∩B) = 4, n(AUB) = 34, n(A) = 15, find n(B). A B 15 34 4 n(B) = Answer: 23 SOLUTION 1 : Solution: n(A∩B) = 4, n(AUB) = 34, n(A) = 15 n(AUB) = n(A) + n(B) - N(A∩B) 34 = 15 + n(B) - 4 34 = 11 + n(B) n(B) = 34 - 11 n{B) = 23 |
| 2) If n(A∩B) = 4, n(AUB) = 39, n(A) = 23, find n(B). A B 23 39 4 n(B) = Answer: 20 SOLUTION 1 : Solution: n(A∩B) = 4, n(AUB) = 39, n(A) = 23 n(AUB) = n(A) + n(B) - N(A∩B) 39 = 23 + n(B) - 4 39 = 19 + n(B) n(B) = 39 - 19 n{B) = 20 |
| 3) If n(A∩B) = 5, n(AUB) = 42, n(A) = 19, find n(B). A B 19 42 5 n(B) = Answer: 28 SOLUTION 1 : Solution: n(A∩B) = 5, n(AUB) = 42, n(A) = 19 n(AUB) = n(A) + n(B) - N(A∩B) 42 = 19 + n(B) - 5 42 = 14 + n(B) n(B) = 42 - 14 n{B) = 28 |
| 4) If n(A∩B) = 7, n(AUB) = 31, n(A) = 18, find n(B). A B 18 31 7 n(B) = Answer: 20 SOLUTION 1 : Solution: n(A∩B) = 7, n(AUB) = 31, n(A) = 18 n(AUB) = n(A) + n(B) - N(A∩B) 31 = 18 + n(B) - 7 31 = 11 + n(B) n(B) = 31 - 11 n{B) = 20 |
| 5) If n(A∩B) = 9, n(AUB) = 31, n(A) = 21, find n(B). A B 21 31 9 n(B) = Answer: 19 SOLUTION 1 : Solution: n(A∩B) = 9, n(AUB) = 31, n(A) = 21 n(AUB) = n(A) + n(B) - N(A∩B) 31 = 21 + n(B) - 9 31 = 12 + n(B) n(B) = 31 - 12 n{B) = 19 |
| 6) If n(A∩B) = 6, n(AUB) = 41, n(A) = 22, find n(B). A B 22 41 6 n(B) = Answer: 25 SOLUTION 1 : Solution: n(A∩B) = 6, n(AUB) = 41, n(A) = 22 n(AUB) = n(A) + n(B) - N(A∩B) 41 = 22 + n(B) - 6 41 = 16 + n(B) n(B) = 41 - 16 n{B) = 25 |
| 7) If n(A∩B) = 9, n(AUB) = 49, n(A) = 24, find n(B). A B 24 49 9 n(B) = Answer: 34 SOLUTION 1 : Solution: n(A∩B) = 9, n(AUB) = 49, n(A) = 24 n(AUB) = n(A) + n(B) - N(A∩B) 49 = 24 + n(B) - 9 49 = 15 + n(B) n(B) = 49 - 15 n{B) = 34 |
| 8) If n(A∩B) = 8, n(AUB) = 46, n(A) = 20, find n(B). A B 20 46 8 n(B) = Answer: 34 SOLUTION 1 : Solution: n(A∩B) = 8, n(AUB) = 46, n(A) = 20 n(AUB) = n(A) + n(B) - N(A∩B) 46 = 20 + n(B) - 8 46 = 12 + n(B) n(B) = 46 - 12 n{B) = 34 |
| 9) If n(A∩B) = 5, n(AUB) = 36, n(A) = 15, find n(B). A B 15 36 5 n(B) = Answer: 26 SOLUTION 1 : Solution: n(A∩B) = 5, n(AUB) = 36, n(A) = 15 n(AUB) = n(A) + n(B) - N(A∩B) 36 = 15 + n(B) - 5 36 = 10 + n(B) n(B) = 36 - 10 n{B) = 26 |
| 10) If n(A∩B) = 6, n(AUB) = 30, n(A) = 21, find n(B). A B 21 30 6 n(B) = Answer: 15 SOLUTION 1 : Solution: n(A∩B) = 6, n(AUB) = 30, n(A) = 21 n(AUB) = n(A) + n(B) - N(A∩B) 30 = 21 + n(B) - 6 30 = 15 + n(B) n(B) = 30 - 15 n{B) = 15 |