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06 Oct 2021, 07:00
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
80% (01:59) correct
20%
(02:16)
wrong
based on 81
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In a Physics quiz, three teams X, Y and Z participated. Each team had 8 members.
8 problems were assigned to each of the 24 participants. Each participant was required to solve each of the
8 problems. If any participant’s answers to 3 of the problems were correct, that participant would win a gold medal. Did any member of team X win a gold medal?
(1) The total number of correct answers of the 24 participants was 55.
(2) The total number of correct answers of the members of team X was at least 7.
8 problems were assigned to each of the 24 participants. Each participant was required to solve each of the
8 problems. If any participant’s answers to 3 of the problems were correct, that participant would win a gold medal. Did any member of team X win a gold medal?
(1) The total number of correct answers of the 24 participants was 55.
(2) The total number of correct answers of the members of team X was at least 7.
06 Oct 2021, 07:24
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Correct Option E
Given
- Team : 3
- Each Team has member : 8
- Each Person given Question : 8
Condition : alteast 3 correct answer by one = Gold medal
To Find : Team X = Any Gold Medel
Given data in question - Insufficient
Statement 1 : gives relation between total correct answer of 24 participate.
Insufficient
- No team breakup ratio
- No memeber break up ratio
Statement 2: gives relationship between total correct answer by Team X.
Insufficient
- 8 member - 7 correct answer,
- we have no additional variable to derive, confirm atleast 1 could have answer min 3 Question.
The probability varry like:
Member 1 - 3 correct
Member 2 - 3 correct
Member 3 - 1 correct
Total : 2 Gold medal
Or each answered 1 correct answer.
Or only one member answered all correct answer.
Combine statement (1) and (2) - Insufficient
Correct answer : Option E
Posted from my mobile device
Given
- Team : 3
- Each Team has member : 8
- Each Person given Question : 8
Condition : alteast 3 correct answer by one = Gold medal
To Find : Team X = Any Gold Medel
Given data in question - Insufficient
Statement 1 : gives relation between total correct answer of 24 participate.
Insufficient
- No team breakup ratio
- No memeber break up ratio
Statement 2: gives relationship between total correct answer by Team X.
Insufficient
- 8 member - 7 correct answer,
- we have no additional variable to derive, confirm atleast 1 could have answer min 3 Question.
The probability varry like:
Member 1 - 3 correct
Member 2 - 3 correct
Member 3 - 1 correct
Total : 2 Gold medal
Or each answered 1 correct answer.
Or only one member answered all correct answer.
Combine statement (1) and (2) - Insufficient
Correct answer : Option E
Posted from my mobile device
08 Oct 2021, 01:35
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Option A : 55 correct answers 24 members —— min correct answer will be 55/24 = 2 correct answers plus 7 extra correct answer for 7 people, 7 people have gold medal in case rest do only 2 correct answers
