Direction: The likes and professions of five friends Rosy, Mary, Lily, Andy and Daisy are given. Consider the following information and answer questions based on it. 1. Rosy likes Yellow and is a Student. 2. The Librarian likes Green. 3. Mary and Andy like Purple and Blue respectively and neither of them is a Teacher. 4. Lily likes Brown and the Inspector likes Blue. 5. One of the five is a Principal.
Who is the Principal? A. Daisy B. Andy C. Mary D. Lily
C
Solving the Friends' Likes and Professions Puzzle
This question is a logic puzzle where we need to match five friends (Rosy, Mary, Lily, Andy, Daisy) with their favorite colors and professions based on the given clues. We can use a table to organize the information and make deductions.
Step-by-Step Deduction Process
Let's list the friends, their likes (colors), and professions based on the clues:
| Friend | Like (Color) | Profession |
|---|---|---|
| Rosy | ||
| Mary | ||
| Lily | ||
| Andy | ||
| Daisy |
Now, let's fill in the certain information from the clues:
- Clue 1: Rosy likes Yellow and is a Student.
- Clue 3: Mary likes Purple. Andy likes Blue.
- Clue 4: Lily likes Brown.
| Friend | Like (Color) | Profession |
|---|---|---|
| Rosy | Yellow | Student |
| Mary | Purple | |
| Lily | Brown | |
| Andy | Blue | |
| Daisy |
Let's use the clues that link professions and likes:
- Clue 2: The Librarian likes Green.
- Clue 4: The Inspector likes Blue.
From Clue 4, since Andy likes Blue (as per Clue 3), Andy must be the Inspector.
| Friend | Like (Color) | Profession |
|---|---|---|
| Rosy | Yellow | Student |
| Mary | Purple | |
| Lily | Brown | |
| Andy | Blue | Inspector |
| Daisy |
Now consider Clue 2: The Librarian likes Green. Looking at our table, the friends whose colors and professions are not yet fully determined are Mary (Purple), Lily (Brown), and Daisy. None of them currently have Green listed as their like. This means Daisy must be the one who likes Green and is the Librarian.
| Friend | Like (Color) | Profession |
|---|---|---|
| Rosy | Yellow | Student |
| Mary | Purple | |
| Lily | Brown | |
| Andy | Blue | Inspector |
| Daisy | Green | Librarian |
The professions mentioned or implied are Student, Librarian, Inspector, Teacher, and Principal (from Clue 5). The professions we have placed are Student (Rosy), Inspector (Andy), and Librarian (Daisy).
The remaining people are Mary and Lily. The remaining professions are Teacher and Principal.
Let's look at Clue 3 again: Mary and Andy are neither of them a Teacher. We already established Andy is the Inspector. This clue tells us Mary is not a Teacher. Since Mary's profession is one of the remaining two (Teacher or Principal) and she is not the Teacher, she must be the Principal.
This leaves Lily as the remaining person and Teacher as the remaining profession. So, Lily must be the Teacher.
Let's complete the table:
| Friend | Like (Color) | Profession |
|---|---|---|
| Rosy | Yellow | Student |
| Mary | Purple | Principal |
| Lily | Brown | Teacher |
| Andy | Blue | Inspector |
| Daisy | Green | Librarian |
Based on our completed table, Mary is the Principal.
Summary of Findings
- Rosy: Yellow, Student
- Mary: Purple, Principal
- Lily: Brown, Teacher
- Andy: Blue, Inspector
- Daisy: Green, Librarian
Therefore, the person who is the Principal is Mary.
Revision Table: Logic Puzzle Deductions
| Clue | Information Gained | Deduction / Impact |
|---|---|---|
| 1. Rosy likes Yellow and is a Student. | Direct assignment. | Rosy = Yellow, Student |
| 2. The Librarian likes Green. | Links a profession and color. | Librarian <--> Green |
| 3. Mary and Andy like Purple and Blue respectively and neither of them is a Teacher. | Direct color assignments, profession exclusion. | Mary = Purple, Andy = Blue. Mary ≠ Teacher, Andy ≠ Teacher. |
| 4. Lily likes Brown and the Inspector likes Blue. | Direct color assignment, links profession and color. | Lily = Brown. Inspector <--> Blue. Since Andy likes Blue, Andy = Inspector. |
| 5. One of the five is a Principal. | Identifies a key profession. | Principal is one of the five roles. |
| Applying Clue 2 (Librarian <--> Green) | Remaining people/colors: Mary (Purple), Lily (Brown), Daisy (?). Remaining profession is Librarian. | Daisy must like Green and be the Librarian (as Mary and Lily have other colors). |
| Applying Clue 3 (Mary ≠ Teacher) with remaining roles | Remaining roles: Teacher, Principal. Remaining people: Mary, Lily. | Since Mary is not the Teacher, Mary must be the Principal. |
| Final assignment | All others determined. | Lily must be the Teacher. |
Additional Information: Solving Logic Puzzles
Logic puzzles like this require careful reading and organization of information. Here are some tips:
- Read all clues first: Get an overview of the information provided.
- Use a grid or table: This helps visualize relationships and eliminate possibilities. Write down all possibilities and cross them out as you make deductions.
- Look for direct assignments: Start with clues that state a direct link between two attributes (like "Rosy likes Yellow and is a Student").
- Find indirect links: Connect clues. For example, if "X likes color A" and "The Musician likes color A", then X is the Musician.
- Use elimination: If a person cannot be a certain profession or like a certain color based on a clue, eliminate that possibility for them. Similarly, if a profession or color is assigned to one person, eliminate it as a possibility for others.
- Check for contradictions: Ensure your deductions don't conflict with any given clue.
- Systematic approach: Go through the clues one by one, updating your table or grid with each piece of information or deduction.
These methods help break down complex information into manageable steps, leading to the solution.
Important Questions from Double Lineup
Radha wears five different coloured clothes, red, green, yellow, purple and brown, on five different days of a week, from Monday to Friday. She wears red clothes on
Wednesday. She does not wear green and brown clothes on Monday or Friday. She wears green clothes on the next day of wearing yellow clothes. On which day does she
wear brown clothes?Six friends, Anitha, Punitha, Chithra, Deepthi, Harini and Vani, are sitting in a field. Anitha and Punitha are from the Green house, whereas the rest belong to the Red house. Deepthi and Vani are tall. Whereas the others are short. Anitha, Chithra and Deepthi are wearing sarees. whereas the others are wearing frocks.
Who among them is tall and from the Red house but not wearing a saree?In a private school, there were five teachers. Abi and Geetha were teaching French and English. Harini and Geetha were teaching English and Science. Diva and Abi were teaching Maths and French. Hema and Geetha were teaching Social Science and French. Which subject is taught by the maximum number of teachers?
J, K, L, M, N and O are six teachers. Each one teaches a different subject out of Hindi, English, Math, Science, Social Science and Arts, not necessarily in the same order. Each of them teaches on only one day, from Monday to Saturday, not necessarily in the same order. J teaches Arts on Saturday. L teaches neither English nor Social Science, but he teaches on Thursday. Wednesday is reserved for Maths taught by K. O teaches Science a day before N. Social Science is taught a day before Arts.
Which subject is taught on the day between Social Science and Math?
J, K L, M, N and O are six teachers. Each one teaches a different subject out of Hindi, English, Math, Science, Social Science and Arts, NOT necessarily in the same order. Each of them teaches on only one day, from Monday to Saturday. NOT necessarily in the same order. J teaches Arts on Saturday. L teaches neither English nor Social Science, but he teaches on Thursday. Wednesday is reserved for Maths taught by K. O teaches Science a day before N. Social Science is taught a day before Arts. Who teaches Social Science?
