Introducing Rita to the guests, Neeraj said, "Her sister's father is the only son of my grandmother." How is Neeraj related to Rita?

Brother

The correct answer is Option (1) → Brother

To determine the relationship between Neeraj and Rita, we can break down Neeraj's statement step-by-step:

1. "Only son of my grandmother"

• Neeraj’s grandmother’s only son is Neeraj’s father.

2. "Her (Rita's) sister's father"

• Rita’s sister’s father is also Rita’s father.

3. Connecting the two parts

• Neeraj is saying that Rita’s father is the same person as Neeraj’s father.

Conclusion

Since Neeraj and Rita share the same father, they are siblings. Therefore, Neeraj is Rita's brother.