Exams › IBPS PO › Reasoning

Passage: Eight people D, M, P, B, R, S, T and N are related to each other and were born in 1952, 1956, 1962, 1981, 1984, 1987, 2014 and 2017, but not necessarily in the same order. Age is calculated based on the base year 2023. N is the nephew/niece of M's husband/wife. The difference between the age of N and N's mother is a multiple of 10. M's uncle's age was a prime number, but he was not the oldest. The difference between the age of D and D's son is a prime number but less than 20. The difference between the age of B and B's mother-in-law is a multiple of 5. The difference between the age of B and B's husband/wife is twice the difference between the age of M and S. The difference between the age of B and B's only sibling is one-third of N's age. M has one son and no siblings. S is not married to B. M has one father. D had no siblings. P is the grandmother of M's only son. P is the great-grandmother of T. M's father has no siblings. M and N have the same gender but not the same as S. Question: What is the age of M's uncle?

1. 36 years
2. 42 years
3. 39 years
4. 67 years

Correct answer: 67 years

Solution

The clues establish a multi-generation family structure with one older male relative fitting the uncle role. Matching the age set with the prime-number condition and the relationship constraints leads to 67 years as the uncle’s age.

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