1. Veni is a year older than Smith. Veni > Smith 2. Smith is two years older than Salim. Veni > Smith > Salim 3. Raju is an year older than Salim. ⇒ Raju is one year younger than Smith. Veni > Smith > Raju > Salim So, the final arrangement according to their ages is Veni > Smith > Raju > Salim So, Salim is the youngest of all. Hence, the correct answer is "Salim".