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Read the following information carefully and answer the questions that follow.

All Saints High School is organizing a Parents-Teacher meet for students of class V. For this purpose, every parent has been given a fixed 10 minute time slot to meet five different teachers, each of which teaches a different subject among Maths, Science, Social Studies, English, and Hindi. Mr. Balu, Mr. Lal, Mr. Johri, Mr. Patnaik, and Mr. Ahmed are fathers of five children who studies in class V of All Saints High School. Each of these five fathers meet all the teachers between 2 p.m. and 2:50 p.m. Each parent can meet only one teacher in a slot and each teacher can meet only one parent in a slot. Each parent can meet the teachers only in the assigned slot.
Further, the following information is also known-

(i) Except for one teacher, Mr. Johri met all the five teachers immediately after Mr. Ahmed met them.
(ii) Mr. Lal was the second parent to meet Social Studies teacher and Mr. Johri was the first parent to meet the Hindi Teacher.
(iii) Mr. Balu met the English teacher immediately before he met the Social Studies teacher and Mr. Ahmed was the third parent to meet the Social Studies teacher.
(iv) Mr. Johri was not the last parent to meet the Science teacher and Mr. Lal met the English teacher before he met the Social Studies teacher.
 
Which of the following is definitely true?
  • a)
    Mr. Johri met the Social Studies teacher before Mr. Balu met the Hindi teacher.
  • b)
    Mr. Lal met the Maths teacher after Mr. Balu met the Science teacher.
  • c)
    Mr. Ahmed met the Social Studies teacher before he met the English teacher.
  • d)
    Mr. Johri met the Maths teacher in the same slot in which Mr. Patnaik met the English teacher.
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Read the following information carefully and answer the questions that...
Let us name the slots for our convenience-
2-2:10 -> 1, 2:10-2:20 -> 2, 2:20-2:30 -> 3, 2:30-2:40 -> 4, 2:40-2:50 -> 5

So, according to (ii), Mr. Lal met Social Studies teacher in slot 2 and Mr. Johri met the Hindi Teacher in slot 1. Also by (iii), Mr. Ahmed met the Social Studies teacher in slot 3.

We know that except for one teacher, Mr. Johri met all the five teachers after Mr. Ahmed met them. This is only possible when Mr. Johri met all the five teachers immediately after Mr. Ahmed met them. This means that the teacher that Mr. Johri visits in slot 1 must be visited by Mr. Ahmed in slot 5. This means Mr. Ahmed met the Hindi teacher in slot 5 and Mr. Johri must have met the Social studies teacher in slot 4.

Since by (iii) we know that Mr. Balu met the English teacher immediately before he met the Social Studies teacher, we can conclude that Mr. Balu must have met Social teacher in slot 5 and consequently English teacher in slot 4. This means Mr. Patnaik met the Social teacher in slot 1. Now, Mr. Johri doesn’t meet the Science teacher in slot 5 [Given in (iv)]. Also, he cannot meet English teacher in slot 5 as it would mean Ahmed met English teacher in slot 4 which is not possible. So, Mr. Johri met Maths teacher in last slot which means Mr. Ahmed met Maths teacher in Slot 4.

Thus, Johri can meet English teacher only in Slot 3 which means Ahmed met English teacher in slot 2. This means Johri met Science teacher in slot 2 and Ahmed met Science teacher in slot 1. Also, Lal can now only meet English teacher in slot 1 which leaves Patnaik to meet English teacher in slot 5. This means that Balu met Maths teacher in Slot 1.

Now, Patnaik met Maths teacher in 2 which means Lal met him in 3. Similarly, all other slots can be assigned uniquely as follows-
This question is part of UPSC exam. View all CAT courses
Most Upvoted Answer
Read the following information carefully and answer the questions that...
Explanation:

Given Information:
- Mr. Johri met all five teachers immediately after Mr. Ahmed met them.
- Mr. Lal was the second parent to meet the Social Studies teacher, and Mr. Johri was the first parent to meet the Hindi Teacher.
- Mr. Balu met the English teacher immediately before he met the Social Studies teacher, and Mr. Ahmed was the third parent to meet the Social Studies teacher.
- Mr. Johri was not the last parent to meet the Science teacher, and Mr. Lal met the English teacher before he met the Social Studies teacher.

Analysis:
- From point (ii), we know that Mr. Johri met the Hindi teacher first and Mr. Lal met the Social Studies teacher second. Therefore, Mr. Johri couldn't have met the Social Studies teacher before Mr. Balu met the Hindi teacher.
- From point (iii), we know that Mr. Balu met the English teacher before he met the Social Studies teacher, so Mr. Balu did not meet the Hindi teacher immediately before the Social Studies teacher. Hence, option (a) is false.
- From point (iv), we know that Mr. Lal met the English teacher before he met the Social Studies teacher. Therefore, Mr. Lal could have met the Maths teacher after Mr. Balu met the Science teacher. Hence, option (b) is not definite.
- From point (iii), we know that Mr. Ahmed met the Social Studies teacher before he met the English teacher. Hence, option (c) is true.
- From point (iv), we know that Mr. Johri was not the last parent to meet the Science teacher, and Mr. Lal met the English teacher before he met the Social Studies teacher. Therefore, Mr. Johri met the Maths teacher in the same slot in which Mr. Patnaik met the English teacher. Hence, option (d) is definite.
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Read the following information carefully and answer the questions that follow.All Saints High School is organizing a Parents-Teacher meet for students of class V. For this purpose, every parent has been given a fixed 10 minute time slot to meet five different teachers, each of which teaches a different subject among Maths, Science, Social Studies, English, and Hindi. Mr. Balu, Mr. Lal, Mr. Johri, Mr. Patnaik, and Mr. Ahmed are fathers of five children who studies in class V of All Saints High School. Each of these five fathers meet all the teachers between 2 p.m. and 2:50 p.m. Each parent can meet only one teacher in a slot and each teacher can meet only one parent in a slot. Each parent can meet the teachers only in the assigned slot.Further, the following information is also known-(i) Except for one teacher, Mr. Johri met all the five teachers immediately after Mr. Ahmed met them.(ii) Mr. Lal was the second parent to meet Social Studies teacher and Mr. Johri was the first parent to meet the Hindi Teacher.(iii) Mr. Balu met the English teacher immediately before he met the Social Studies teacher and Mr. Ahmed was the third parent to meet the Social Studies teacher.(iv) Mr. Johri was not the last parent to meet the Science teacher and Mr. Lal met the English teacher before he met the Social Studies teacher.Which of the following is definitely true?a)Mr. Johri met the Social Studies teacher before Mr. Balu met the Hindi teacher.b)Mr. Lal met the Maths teacher after Mr. Balu met the Science teacher.c)Mr. Ahmed met the Social Studies teacher before he met the English teacher.d)Mr. Johri met the Maths teacher in the same slot in which Mr. Patnaik met the English teacher.Correct answer is option 'D'. Can you explain this answer?
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Read the following information carefully and answer the questions that follow.All Saints High School is organizing a Parents-Teacher meet for students of class V. For this purpose, every parent has been given a fixed 10 minute time slot to meet five different teachers, each of which teaches a different subject among Maths, Science, Social Studies, English, and Hindi. Mr. Balu, Mr. Lal, Mr. Johri, Mr. Patnaik, and Mr. Ahmed are fathers of five children who studies in class V of All Saints High School. Each of these five fathers meet all the teachers between 2 p.m. and 2:50 p.m. Each parent can meet only one teacher in a slot and each teacher can meet only one parent in a slot. Each parent can meet the teachers only in the assigned slot.Further, the following information is also known-(i) Except for one teacher, Mr. Johri met all the five teachers immediately after Mr. Ahmed met them.(ii) Mr. Lal was the second parent to meet Social Studies teacher and Mr. Johri was the first parent to meet the Hindi Teacher.(iii) Mr. Balu met the English teacher immediately before he met the Social Studies teacher and Mr. Ahmed was the third parent to meet the Social Studies teacher.(iv) Mr. Johri was not the last parent to meet the Science teacher and Mr. Lal met the English teacher before he met the Social Studies teacher.Which of the following is definitely true?a)Mr. Johri met the Social Studies teacher before Mr. Balu met the Hindi teacher.b)Mr. Lal met the Maths teacher after Mr. Balu met the Science teacher.c)Mr. Ahmed met the Social Studies teacher before he met the English teacher.d)Mr. Johri met the Maths teacher in the same slot in which Mr. Patnaik met the English teacher.Correct answer is option 'D'. 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Each parent can meet the teachers only in the assigned slot.Further, the following information is also known-(i) Except for one teacher, Mr. Johri met all the five teachers immediately after Mr. Ahmed met them.(ii) Mr. Lal was the second parent to meet Social Studies teacher and Mr. Johri was the first parent to meet the Hindi Teacher.(iii) Mr. Balu met the English teacher immediately before he met the Social Studies teacher and Mr. Ahmed was the third parent to meet the Social Studies teacher.(iv) Mr. Johri was not the last parent to meet the Science teacher and Mr. Lal met the English teacher before he met the Social Studies teacher.Which of the following is definitely true?a)Mr. Johri met the Social Studies teacher before Mr. Balu met the Hindi teacher.b)Mr. Lal met the Maths teacher after Mr. Balu met the Science teacher.c)Mr. Ahmed met the Social Studies teacher before he met the English teacher.d)Mr. Johri met the Maths teacher in the same slot in which Mr. Patnaik met the English teacher.Correct answer is option 'D'. 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Each parent can meet the teachers only in the assigned slot.Further, the following information is also known-(i) Except for one teacher, Mr. Johri met all the five teachers immediately after Mr. Ahmed met them.(ii) Mr. Lal was the second parent to meet Social Studies teacher and Mr. Johri was the first parent to meet the Hindi Teacher.(iii) Mr. Balu met the English teacher immediately before he met the Social Studies teacher and Mr. Ahmed was the third parent to meet the Social Studies teacher.(iv) Mr. Johri was not the last parent to meet the Science teacher and Mr. Lal met the English teacher before he met the Social Studies teacher.Which of the following is definitely true?a)Mr. Johri met the Social Studies teacher before Mr. Balu met the Hindi teacher.b)Mr. Lal met the Maths teacher after Mr. Balu met the Science teacher.c)Mr. Ahmed met the Social Studies teacher before he met the English teacher.d)Mr. Johri met the Maths teacher in the same slot in which Mr. Patnaik met the English teacher.Correct answer is option 'D'. 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Each parent can meet the teachers only in the assigned slot.Further, the following information is also known-(i) Except for one teacher, Mr. Johri met all the five teachers immediately after Mr. Ahmed met them.(ii) Mr. Lal was the second parent to meet Social Studies teacher and Mr. Johri was the first parent to meet the Hindi Teacher.(iii) Mr. Balu met the English teacher immediately before he met the Social Studies teacher and Mr. Ahmed was the third parent to meet the Social Studies teacher.(iv) Mr. Johri was not the last parent to meet the Science teacher and Mr. Lal met the English teacher before he met the Social Studies teacher.Which of the following is definitely true?a)Mr. Johri met the Social Studies teacher before Mr. Balu met the Hindi teacher.b)Mr. Lal met the Maths teacher after Mr. Balu met the Science teacher.c)Mr. Ahmed met the Social Studies teacher before he met the English teacher.d)Mr. Johri met the Maths teacher in the same slot in which Mr. Patnaik met the English teacher.Correct answer is option 'D'. Can you explain this answer? has been provided alongside types of Read the following information carefully and answer the questions that follow.All Saints High School is organizing a Parents-Teacher meet for students of class V. For this purpose, every parent has been given a fixed 10 minute time slot to meet five different teachers, each of which teaches a different subject among Maths, Science, Social Studies, English, and Hindi. Mr. Balu, Mr. Lal, Mr. Johri, Mr. Patnaik, and Mr. Ahmed are fathers of five children who studies in class V of All Saints High School. Each of these five fathers meet all the teachers between 2 p.m. and 2:50 p.m. Each parent can meet only one teacher in a slot and each teacher can meet only one parent in a slot. Each parent can meet the teachers only in the assigned slot.Further, the following information is also known-(i) Except for one teacher, Mr. Johri met all the five teachers immediately after Mr. Ahmed met them.(ii) Mr. Lal was the second parent to meet Social Studies teacher and Mr. Johri was the first parent to meet the Hindi Teacher.(iii) Mr. Balu met the English teacher immediately before he met the Social Studies teacher and Mr. Ahmed was the third parent to meet the Social Studies teacher.(iv) Mr. Johri was not the last parent to meet the Science teacher and Mr. Lal met the English teacher before he met the Social Studies teacher.Which of the following is definitely true?a)Mr. Johri met the Social Studies teacher before Mr. Balu met the Hindi teacher.b)Mr. Lal met the Maths teacher after Mr. Balu met the Science teacher.c)Mr. Ahmed met the Social Studies teacher before he met the English teacher.d)Mr. Johri met the Maths teacher in the same slot in which Mr. Patnaik met the English teacher.Correct answer is option 'D'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Read the following information carefully and answer the questions that follow.All Saints High School is organizing a Parents-Teacher meet for students of class V. For this purpose, every parent has been given a fixed 10 minute time slot to meet five different teachers, each of which teaches a different subject among Maths, Science, Social Studies, English, and Hindi. Mr. Balu, Mr. Lal, Mr. Johri, Mr. Patnaik, and Mr. Ahmed are fathers of five children who studies in class V of All Saints High School. Each of these five fathers meet all the teachers between 2 p.m. and 2:50 p.m. Each parent can meet only one teacher in a slot and each teacher can meet only one parent in a slot. Each parent can meet the teachers only in the assigned slot.Further, the following information is also known-(i) Except for one teacher, Mr. Johri met all the five teachers immediately after Mr. Ahmed met them.(ii) Mr. Lal was the second parent to meet Social Studies teacher and Mr. Johri was the first parent to meet the Hindi Teacher.(iii) Mr. Balu met the English teacher immediately before he met the Social Studies teacher and Mr. Ahmed was the third parent to meet the Social Studies teacher.(iv) Mr. Johri was not the last parent to meet the Science teacher and Mr. Lal met the English teacher before he met the Social Studies teacher.Which of the following is definitely true?a)Mr. Johri met the Social Studies teacher before Mr. Balu met the Hindi teacher.b)Mr. Lal met the Maths teacher after Mr. Balu met the Science teacher.c)Mr. Ahmed met the Social Studies teacher before he met the English teacher.d)Mr. Johri met the Maths teacher in the same slot in which Mr. Patnaik met the English teacher.Correct answer is option 'D'. 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