Question:

Ram is the brother of Seema. Ram is married to Radhika. Seema has two sons, Raushan and Manu. What is Raushan to Radhika?

Niece

Nephew

Cousin

None of these

Correct option is B. Nephew
Raushan is Seema's son. So, he is the nephew of Ram. Radhika is the wife of Ram. So, Raushan is the nephew of Radhika.