Veeru is the brother of the son of Raghu's son. What is the relationship of Veeru to Raghu?

Introduction / Context:
This is a short but layered blood relation question that uses a phrase like the son of Raghu's son and then adds that Veeru is the brother of that person. The challenge is to track generations correctly. When you see X's son, you move one generation down; when you see brother of that son, you typically stay in the same generation but possibly add another child of the same parent.

Given Data / Assumptions:
- Raghu has a son (call him R1). - R1 has a son (call him S1). - Veeru is the brother of S1. - brother means Veeru and S1 share at least one parent and are in the same generation. - We assume standard meanings of father, son and brother.

Concept / Approach:
Start by building a small chain from Raghu downwards. Raghu's son is one generation below Raghu. The son of Raghu's son is two generations below Raghu, that is, a grandson. Any brother of that grandson will also be a grandson of Raghu, because he is another child of Raghu's son. The approach is therefore to place each person on a family tree and read off the relationship of Veeru to Raghu.

Step-by-Step Solution:
Step 1: Let Raghu's son be R1. Then R1 is Raghu's child and belongs to the generation just below Raghu. Step 2: The son of Raghu's son is the son of R1, say S1. This makes S1 a grandson of Raghu (two generations below Raghu). Step 3: Veeru is the brother of S1. That means Veeru is also a child of R1, just like S1. Step 4: Therefore, Veeru is also one generation below R1 and two generations below Raghu, making him a grandson of Raghu. Step 5: So, Veeru's relationship to Raghu is grandson.

Verification / Alternative check:
Assign some names with generations: Generation 1 – Raghu; Generation 2 – his son R1; Generation 3 – R1's children S1 and Veeru. From Raghu's viewpoint, everyone in Generation 3 who is a child of his child is his grandchild. Veeru is clearly in that group. This quick generational check confirms the conclusion.

Why Other Options Are Wrong:
- Brother: Veeru is not in the same generation as Raghu; he is two generations below. - Cousin: Cousins share grandparents but belong to the same generation relative to those grandparents. Veeru is a direct grandson of Raghu, not a cousin. - Nephew: A nephew would be the son of Raghu's sibling or Raghu's wife's sibling, which is not described here. - Son: Raghu's son is R1. Veeru is the son of R1, making him a grandson, not a son, of Raghu.

Common Pitfalls:
A typical mistake is to stop at son of Raghu's son and label that person as grandson, then forget that Veeru is the brother of this grandson, not the grandson himself. However, both children of R1 are equally grandchildren of Raghu. Another pitfall is to mix up nephew and grandson when reading such stacked descriptions. Always count how many generations down from the original person you have moved.

Final Answer:
Veeru is Raghu's grandson.