To have knowledge or awareness of something in the past.

To recognize or be familiar with someone or something from a past encounter.

अतीत में किसी चीज़ के बारे में ज्ञान या जागरूकता होना

English Usage: She knew the answer to the question.

Hindi Usage: उसने प्रश्न का उत्तर जाना।

To understand or be certain about something that has happened.

जो कुछ हुआ है उसके बारे में समझना या निश्चित होना

English Usage: She knew the risks involved in the project.

Hindi Usage: उसे परियोजना में शामिल खतरों का ज्ञान था।