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Question

N is more intelligent than M. M is not as intelligent as Y. X is more intelligent than Y but not as intelligent as N. Who is the most intelligent of all?

This question was previously asked in
UPSSSC PET 2025 Question Paper (07-Sep-2025) (Shift-2)
The correct answer is
N

Intelligence Ranking: Step-by-Step Analysis

This question is a logic puzzle where we need to determine the order of intelligence among four people: N, M, Y, and X, based on the given comparisons. Let's break down each piece of information to find out who is the most intelligent.

Analyzing the Clues

We are given four statements about the intelligence levels:

  • 1. N is more intelligent than M. This can be written as: $ N > M $
  • 2. M is not as intelligent as Y. This means Y is more intelligent than M: $ Y > M $
  • 3. X is more intelligent than Y. This can be written as: $ X > Y $
  • 4. X is not as intelligent as N. This means N is more intelligent than X: $ N > X $

Combining the Comparisons

Now, let's combine these inequalities to establish a complete order:

  1. From statement 1, we know $ N > M $.
  2. From statement 2, we know $ Y > M $.
  3. From statement 3, we know $ X > Y $.
  4. Combining statement 3 ($ X > Y $) and statement 2 ($ Y > M $), we get a chain: $ X > Y > M $.
  5. From statement 4, we know $ N > X $.
  6. Now, let's combine the chain $ X > Y > M $ with the fact $ N > X $. We get the complete order of intelligence from most intelligent to least intelligent: $ N > X > Y > M $.

Identifying the Most Intelligent Person

Based on the combined order $ N > X > Y > M $, we can clearly see the ranking:

  • N is the most intelligent.
  • X is the second most intelligent.
  • Y is the third most intelligent.
  • M is the least intelligent.

Therefore, N is the most intelligent person among the four.

Final Answer Determination

The analysis shows that N possesses the highest level of intelligence compared to X, Y, and M.

  • Comparing N with X: $ N > X $
  • Comparing X with Y: $ X > Y $
  • Comparing Y with M: $ Y > M $

Putting it all together gives us the sequence: $ N > X > Y > M $. This confirms that N is indeed the most intelligent.

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Important Questions from Analytical Decision Making

  1. A college council is auditioning students for a cultural festival. They must satisfy the following criteria —
    1. Student must know at least one dance form.

    2. Student must know to play at least one musical instrument.

    3. Student must have good acting skills.

    Which one of the following will the council definitely select? 

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    B. P plays football, guitar, has acted in road shows and is a classical dancer.

    C. J is a contemporary dancer, a great actor and is planning to learn flute.

    D. A plays sitar, is a hip-hop dancer and does not have any acting skills. 

  2. Family C has a total monthly income of Rs. 26,000 which includes a pension of Rs. 3,000 earned by th widowed gandmother. The married couple has one 3-year-old son. The family has no members who have a criminal case, they do not own a residential property and they have not received any other subsidy. They are living in a rented house for the past 6 years.

  3. Family B consists of the grandfather, his wife, his son, his daughter-in-law and his grandson. No members earn a living. The family survives on grandfather's Rs.30,000 per month pension. The family has no members who have a criminal case, they do not own a residential property and they have not received any other subsidy. They are living in a rented house since grandfather's marriage 30 years ago.

  4. 21-year-old Sam is married to Rita who is a citizen of the country. He has the required affidavit for a fresh passport. He has the unique identity cards both of himself as well as his wife.

  5. Farmer X has 30 acres of farm of which 15 acres was under 2 feet flood water for 10 days. The farmer's other income of Rs. 25,000/ month includes Rs. 6,000/- month subsidy. The farm had unharvested crop when it was flooded. The farm was NOT insured.

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