UPPSC PCS - 2013

Examine the Following Statement 1) Either Ram and Shyam Are of The Same Age or Ram Is Older Than Shyam 2) Either Ali And John Are of The Same Age or John Is Older Than Ali 3) Shyam Is Older Than Ali Which One of The Following Conclusions Can Be Drawn From The Above Statements?

Year Asked: 2013

A
Ram Is Older Then Shaym
B
John Is Older Then Ali
C
Shaym And John Are of The Same Age
D
Ram Is Older Then Ali

Correct Answer

D. Ram Is Older Then Ali

Detailed Explanation

The correct answer is D: Ram is older than Ali.

Statement 1 says Ram is either the same age as Shyam or older, so Ram is at least as old as Shyam. Statement 3 says Shyam is strictly older than Ali. Chain these together: Ram is at least as old as Shyam, and Shyam is strictly older than Ali, so Ram must be strictly older than Ali. A strict link anywhere in the chain makes the final relation strict.

Why the others fail:

  • A: Statement 1 allows Ram and Shyam to be the same age, so Ram being older is not certain.
  • B: Statement 2 allows John and Ali to be the same age, so John being older is not certain.
  • C: Nothing directly links John and Shyam. We only know John is at least as old as Ali, and Shyam is older than Ali, so John could be older than, same as, or younger than Shyam.

This is a basic syllogism-style deduction from the reasoning and mental ability section. The same discipline of tracking which relations are certain and which are only possible helps in reading conditional clauses in Mains policy questions.

Trap: treating 'either...or' statements as definite. Statement 1 only guarantees Ram is not younger than Shyam, not that he is older.

This question appeared in UPPCS 2013 GS Paper 2.

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