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) = 38, n(A) = 23, find n(B). A B 23 38 4 n(B) = Answer:_______________ |
| 2) If n(A∩B) = 5, n(AUB) = 42, n(A) = 18, find n(B). A B 18 42 5 n(B) = Answer:_______________ |
| 3) If n(A∩B) = 6, n(AUB) = 39, n(A) = 25, find n(B). A B 25 39 6 n(B) = Answer:_______________ |
| 4) If n(A∩B) = 7, n(AUB) = 43, n(A) = 23, find n(B). A B 23 43 7 n(B) = Answer:_______________ |
| 5) If n(A∩B) = 7, n(AUB) = 38, n(A) = 18, find n(B). A B 18 38 7 n(B) = Answer:_______________ |
| 6) If n(A∩B) = 4, n(AUB) = 41, n(A) = 25, find n(B). A B 25 41 4 n(B) = Answer:_______________ |
| 7) If n(A∩B) = 4, n(AUB) = 42, n(A) = 19, find n(B). A B 19 42 4 n(B) = Answer:_______________ |
| 8) If n(A∩B) = 5, n(AUB) = 32, n(A) = 19, find n(B). A B 19 32 5 n(B) = Answer:_______________ |
| 9) If n(A∩B) = 3, n(AUB) = 36, n(A) = 24, find n(B). A B 24 36 3 n(B) = Answer:_______________ |
| 10) If n(A∩B) = 7, n(AUB) = 39, n(A) = 22, find n(B). A B 22 39 7 n(B) = Answer:_______________ |
| 1) If n(A∩B) = 4, n(AUB) = 38, n(A) = 23, find n(B). A B 23 38 4 n(B) = Answer: 19 SOLUTION 1 : Solution: n(A∩B) = 4, n(AUB) = 38, n(A) = 23 n(AUB) = n(A) + n(B) - N(A∩B) 38 = 23 + n(B) - 4 38 = 19 + n(B) n(B) = 38 - 19 n{B) = 19 |
| 2) If n(A∩B) = 5, n(AUB) = 42, n(A) = 18, find n(B). A B 18 42 5 n(B) = Answer: 29 SOLUTION 1 : Solution: n(A∩B) = 5, n(AUB) = 42, n(A) = 18 n(AUB) = n(A) + n(B) - N(A∩B) 42 = 18 + n(B) - 5 42 = 13 + n(B) n(B) = 42 - 13 n{B) = 29 |
| 3) If n(A∩B) = 6, n(AUB) = 39, n(A) = 25, find n(B). A B 25 39 6 n(B) = Answer: 20 SOLUTION 1 : Solution: n(A∩B) = 6, n(AUB) = 39, n(A) = 25 n(AUB) = n(A) + n(B) - N(A∩B) 39 = 25 + n(B) - 6 39 = 19 + n(B) n(B) = 39 - 19 n{B) = 20 |
| 4) If n(A∩B) = 7, n(AUB) = 43, n(A) = 23, find n(B). A B 23 43 7 n(B) = Answer: 27 SOLUTION 1 : Solution: n(A∩B) = 7, n(AUB) = 43, n(A) = 23 n(AUB) = n(A) + n(B) - N(A∩B) 43 = 23 + n(B) - 7 43 = 16 + n(B) n(B) = 43 - 16 n{B) = 27 |
| 5) If n(A∩B) = 7, n(AUB) = 38, n(A) = 18, find n(B). A B 18 38 7 n(B) = Answer: 27 SOLUTION 1 : Solution: n(A∩B) = 7, n(AUB) = 38, n(A) = 18 n(AUB) = n(A) + n(B) - N(A∩B) 38 = 18 + n(B) - 7 38 = 11 + n(B) n(B) = 38 - 11 n{B) = 27 |
| 6) If n(A∩B) = 4, n(AUB) = 41, n(A) = 25, find n(B). A B 25 41 4 n(B) = Answer: 20 SOLUTION 1 : Solution: n(A∩B) = 4, n(AUB) = 41, n(A) = 25 n(AUB) = n(A) + n(B) - N(A∩B) 41 = 25 + n(B) - 4 41 = 21 + n(B) n(B) = 41 - 21 n{B) = 20 |
| 7) If n(A∩B) = 4, n(AUB) = 42, n(A) = 19, find n(B). A B 19 42 4 n(B) = Answer: 27 SOLUTION 1 : Solution: n(A∩B) = 4, n(AUB) = 42, n(A) = 19 n(AUB) = n(A) + n(B) - N(A∩B) 42 = 19 + n(B) - 4 42 = 15 + n(B) n(B) = 42 - 15 n{B) = 27 |
| 8) If n(A∩B) = 5, n(AUB) = 32, n(A) = 19, find n(B). A B 19 32 5 n(B) = Answer: 18 SOLUTION 1 : Solution: n(A∩B) = 5, n(AUB) = 32, n(A) = 19 n(AUB) = n(A) + n(B) - N(A∩B) 32 = 19 + n(B) - 5 32 = 14 + n(B) n(B) = 32 - 14 n{B) = 18 |
| 9) If n(A∩B) = 3, n(AUB) = 36, n(A) = 24, find n(B). A B 24 36 3 n(B) = Answer: 15 SOLUTION 1 : Solution: n(A∩B) = 3, n(AUB) = 36, n(A) = 24 n(AUB) = n(A) + n(B) - N(A∩B) 36 = 24 + n(B) - 3 36 = 21 + n(B) n(B) = 36 - 21 n{B) = 15 |
| 10) If n(A∩B) = 7, n(AUB) = 39, n(A) = 22, find n(B). A B 22 39 7 n(B) = Answer: 24 SOLUTION 1 : Solution: n(A∩B) = 7, n(AUB) = 39, n(A) = 22 n(AUB) = n(A) + n(B) - N(A∩B) 39 = 22 + n(B) - 7 39 = 15 + n(B) n(B) = 39 - 15 n{B) = 24 |