Civil Service Exam Reviewer · Logical Reasoning · hard
A survey of 124 households in a barangay found that 56 have a water refilling subscription, 60 have internet, and 48 have cable TV. Also, 20 do the first two, 20 do the first and third, 20 do the second and third, and 4 do all three. How many do EXACTLY ONE of the three?
- 56
- 104
- 60
- 59
Answer
A. 56
Solution
Only first = 56 − 20 − 20 + 4 = 20; only second = 24; only third = 12. Exactly one = 56.
More Logical Reasoning questions
- A survey of 108 employees of a provincial office found that 68 speak Ilocano, 47 speak Cebuano, and 46 speak Hiligaynon. Also, 32 do the…
- A survey of 146 farmers in a cooperative found that 73 plant rice, 70 plant corn, and 79 raise livestock. Also, 32 do the first two, 42 do…
- A survey of 127 examinees surveyed found that 53 studied with a review book, 66 used online videos, and 63 joined a study group. Also, 39…
- A survey of 131 households in a barangay found that 74 have a water refilling subscription, 67 have internet, and 63 have cable TV. Also…
- A survey of 126 employees of a provincial office found that 60 speak Ilocano, 53 speak Cebuano, and 62 speak Hiligaynon. Also, 22 do the…
- A survey of 131 farmers in a cooperative found that 64 plant rice, 68 plant corn, and 68 raise livestock. Also, 36 do the first two, 37 do…
- A survey of 130 examinees surveyed found that 67 studied with a review book, 81 used online videos, and 68 joined a study group. Also, 43…
- A survey of 117 households in a barangay found that 67 have a water refilling subscription, 75 have internet, and 61 have cable TV. Also…
- A survey of 117 employees of a provincial office found that 67 speak Ilocano, 63 speak Cebuano, and 65 speak Hiligaynon. Also, 35 do the…
- Of 110 reviewees in a review center, 85 are taking the Professional exam, 44 attended the weekend classes, and 26 do both. How many do…