Pointing to Ketan, Namrata said, ” He is the son of my father’s only son.” How is ketan’s mother related to Namrata?

The correct answer is D. Sister-in-law.

Namrata’s father has only one son, and Ketan is the son of that son. This means that Ketan is Namrata’s nephew. Namrata’s nephew’s mother is Namrata’s sister-in-law.

Here is a diagram to illustrate the relationship:

[Diagram of Namrata, her father, her brother, Ketan, and Ketan’s mother]

• Namrata’s father is the only parent of Namrata’s brother.
• Ketan is the son of Namrata’s brother.
• Ketan’s mother is the wife of Namrata’s brother.
• Therefore, Ketan’s mother is Namrata’s sister-in-law.

The other options are incorrect because they do not accurately reflect the relationship between Namrata and Ketan’s mother.

• Option A is incorrect because Namrata is not Ketan’s daughter.
• Option B is incorrect because Namrata is not Ketan’s aunt.
• Option C is incorrect because Namrata is not Ketan’s sister.
• Option E is incorrect because Ketan’s mother is related to Namrata.