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) = 50, n(A) = 21, find n(B). A B 21 50 6 n(B) = Answer:_______________ |
| 2) If n(A∩B) = 5, n(AUB) = 40, n(A) = 17, find n(B). A B 17 40 5 n(B) = Answer:_______________ |
| 3) If n(A∩B) = 6, n(AUB) = 36, n(A) = 22, find n(B). A B 22 36 6 n(B) = Answer:_______________ |
| 4) If n(A∩B) = 3, n(AUB) = 48, n(A) = 19, find n(B). A B 19 48 3 n(B) = Answer:_______________ |
| 5) If n(A∩B) = 3, n(AUB) = 39, n(A) = 24, find n(B). A B 24 39 3 n(B) = Answer:_______________ |
| 6) If n(A∩B) = 8, n(AUB) = 31, n(A) = 15, find n(B). A B 15 31 8 n(B) = Answer:_______________ |
| 7) If n(A∩B) = 8, n(AUB) = 47, n(A) = 23, find n(B). A B 23 47 8 n(B) = Answer:_______________ |
| 8) If n(A∩B) = 8, n(AUB) = 43, n(A) = 21, find n(B). A B 21 43 8 n(B) = Answer:_______________ |
| 9) If n(A∩B) = 5, n(AUB) = 38, n(A) = 15, find n(B). A B 15 38 5 n(B) = Answer:_______________ |
| 10) If n(A∩B) = 7, n(AUB) = 48, n(A) = 16, find n(B). A B 16 48 7 n(B) = Answer:_______________ |
| 1) If n(A∩B) = 6, n(AUB) = 50, n(A) = 21, find n(B). A B 21 50 6 n(B) = Answer: 35 SOLUTION 1 : Solution: n(A∩B) = 6, n(AUB) = 50, n(A) = 21 n(AUB) = n(A) + n(B) - N(A∩B) 50 = 21 + n(B) - 6 50 = 15 + n(B) n(B) = 50 - 15 n{B) = 35 |
| 2) If n(A∩B) = 5, n(AUB) = 40, n(A) = 17, find n(B). A B 17 40 5 n(B) = Answer: 28 SOLUTION 1 : Solution: n(A∩B) = 5, n(AUB) = 40, n(A) = 17 n(AUB) = n(A) + n(B) - N(A∩B) 40 = 17 + n(B) - 5 40 = 12 + n(B) n(B) = 40 - 12 n{B) = 28 |
| 3) If n(A∩B) = 6, n(AUB) = 36, n(A) = 22, find n(B). A B 22 36 6 n(B) = Answer: 20 SOLUTION 1 : Solution: n(A∩B) = 6, n(AUB) = 36, n(A) = 22 n(AUB) = n(A) + n(B) - N(A∩B) 36 = 22 + n(B) - 6 36 = 16 + n(B) n(B) = 36 - 16 n{B) = 20 |
| 4) If n(A∩B) = 3, n(AUB) = 48, n(A) = 19, find n(B). A B 19 48 3 n(B) = Answer: 32 SOLUTION 1 : Solution: n(A∩B) = 3, n(AUB) = 48, n(A) = 19 n(AUB) = n(A) + n(B) - N(A∩B) 48 = 19 + n(B) - 3 48 = 16 + n(B) n(B) = 48 - 16 n{B) = 32 |
| 5) If n(A∩B) = 3, n(AUB) = 39, n(A) = 24, find n(B). A B 24 39 3 n(B) = Answer: 18 SOLUTION 1 : Solution: n(A∩B) = 3, n(AUB) = 39, n(A) = 24 n(AUB) = n(A) + n(B) - N(A∩B) 39 = 24 + n(B) - 3 39 = 21 + n(B) n(B) = 39 - 21 n{B) = 18 |
| 6) If n(A∩B) = 8, n(AUB) = 31, n(A) = 15, find n(B). A B 15 31 8 n(B) = Answer: 24 SOLUTION 1 : Solution: n(A∩B) = 8, n(AUB) = 31, n(A) = 15 n(AUB) = n(A) + n(B) - N(A∩B) 31 = 15 + n(B) - 8 31 = 7 + n(B) n(B) = 31 - 7 n{B) = 24 |
| 7) If n(A∩B) = 8, n(AUB) = 47, n(A) = 23, find n(B). A B 23 47 8 n(B) = Answer: 32 SOLUTION 1 : Solution: n(A∩B) = 8, n(AUB) = 47, n(A) = 23 n(AUB) = n(A) + n(B) - N(A∩B) 47 = 23 + n(B) - 8 47 = 15 + n(B) n(B) = 47 - 15 n{B) = 32 |
| 8) If n(A∩B) = 8, n(AUB) = 43, n(A) = 21, find n(B). A B 21 43 8 n(B) = Answer: 30 SOLUTION 1 : Solution: n(A∩B) = 8, n(AUB) = 43, n(A) = 21 n(AUB) = n(A) + n(B) - N(A∩B) 43 = 21 + n(B) - 8 43 = 13 + n(B) n(B) = 43 - 13 n{B) = 30 |
| 9) If n(A∩B) = 5, n(AUB) = 38, n(A) = 15, find n(B). A B 15 38 5 n(B) = Answer: 28 SOLUTION 1 : Solution: n(A∩B) = 5, n(AUB) = 38, n(A) = 15 n(AUB) = n(A) + n(B) - N(A∩B) 38 = 15 + n(B) - 5 38 = 10 + n(B) n(B) = 38 - 10 n{B) = 28 |
| 10) If n(A∩B) = 7, n(AUB) = 48, n(A) = 16, find n(B). A B 16 48 7 n(B) = Answer: 39 SOLUTION 1 : Solution: n(A∩B) = 7, n(AUB) = 48, n(A) = 16 n(AUB) = n(A) + n(B) - N(A∩B) 48 = 16 + n(B) - 7 48 = 9 + n(B) n(B) = 48 - 9 n{B) = 39 |