The ordinal form of fifty, used as an adjective to describe the position in a sequence.

पचासवां

English Usage: "He finished in fiftieth place in the race."

Hindi Usage: "वह दौड़ में पचासवें स्थान पर ख़त्म हुआ।"

Pertaining to the number fifty, often used to denote something that is fifty in count or order.

पचास का

English Usage: "The fiftieth anniversary is a significant milestone."

Hindi Usage: "पचासवीं वर्षगांठ एक महत्वपूर्ण मील का पत्थर है।"