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Question

Sonam is older than Renu. Komal is younger than Renu. Priya is older than Sonam. Who is the eldest of them?

The correct answer is

Priya

Understanding the Age Comparison Puzzle

This problem involves comparing the ages of four individuals: Sonam, Renu, Komal, and Priya, based on the given statements. We need to use these comparisons to determine who is the eldest among them.

Analyzing the Given Relationships

Let's break down the information provided:

  • Statement 1: Sonam is older than Renu.
  • Statement 2: Komal is younger than Renu.
  • Statement 3: Priya is older than Sonam.

Step-by-Step Deduction to Find the Eldest

We can represent "older than" using the symbol '>'.

  1. From Statement 1, we have: Sonam > Renu. This tells us Sonam is older than Renu, and Renu is younger than Sonam.
  2. From Statement 2, we have: Renu > Komal. This tells us Renu is older than Komal, and Komal is younger than Renu.
  3. Combining Statement 1 and Statement 2: Since Sonam is older than Renu (Sonam > Renu), and Renu is older than Komal (Renu > Komal), it logically follows that Sonam is also older than Komal (Sonam > Komal). At this point, the order based on these two statements is Sonam > Renu > Komal.
  4. From Statement 3, we have: Priya > Sonam. This tells us Priya is older than Sonam.
  5. Now, let's combine this with our previous deductions. We know Priya > Sonam, and we know Sonam is older than both Renu and Komal (Sonam > Renu > Komal). Therefore, Priya is older than Sonam, who is older than Renu, who is older than Komal. The complete order from eldest to youngest is Priya > Sonam > Renu > Komal.

Summary of Age Order

We can summarize the age order based on our deductions:

Relationship Age Order
Sonam is older than Renu Sonam > Renu
Komal is younger than Renu Renu > Komal
Priya is older than Sonam Priya > Sonam
Combined Order Priya > Sonam > Renu > Komal

Identifying the Eldest Person

Based on the combined order Priya > Sonam > Renu > Komal, the person at the top of the list (the one who is older than everyone else) is Priya.

Therefore, Priya is the eldest of them.

Revision Table: Age Comparison Analysis

Person Comparison 1 Comparison 2 Comparison 3 Overall Standing (Age)
Sonam Older than Renu Older than Komal (derived) Younger than Priya Intermediate
Renu Younger than Sonam Older than Komal Younger than Sonam & Priya (derived) Intermediate
Komal Younger than Renu Younger than Sonam (derived) Younger than Renu, Sonam & Priya (derived) Youngest
Priya Older than Sonam Older than Renu (derived) Older than Komal (derived) Eldest

Additional Information on Logic Puzzles

Logic puzzles like this age comparison question test your ability to infer relationships from given statements. They often involve ordering items or individuals based on comparative information. Key strategies include:

  • Representing relationships clearly (e.g., using symbols like >, <, or diagrams).
  • Combining multiple statements to deduce new relationships.
  • Systematically building an ordered list or diagram.
  • Checking if the final order satisfies all the initial conditions.

These types of questions are common in reasoning and aptitude tests, helping to evaluate analytical thinking skills.

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Important Questions from Ordering and Ranking

  1. In a row of people all facing north, Prince is 5th from the right end. Amit is 15th from the right end. Amit is exactly between Prince and Aditya. If Aditya is sixth from the left end of the line, how many people are there in the row?

  2. In a row, Mansi is 29th from the left and 33rd from the right. How many students are there in the row?

  3. A class has a total of 60 students. Student 'B' is at 41st rank in merit order from the bottom. What is the rank of student 'B' from the top?

  4. A medical representative plans to visit each of six hospitals — A, B, C, D, E and F — exactly once during the course of one day. He is setting up his schedule for the day according to the following conditions:

    i. He must visit A before B and E.

    ii. He must visit B before D.

    iii. The third hospital he visits must be C.

    Which of the following could be the possible order in which the medical representative visits the six hospitals?
  5. Five men P, Q, R, S and T are reading a newspaper. The one who reads it first, gives it to T. The one who reads it last, had taken it from R. Q is not the first or last one to read it. There were two readers between P and R. Who is the third one to have read the newspaper?

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