a means of solving a problem or dealing with a difficult situation

समाधान

English Usage: The engineer proposed a new solution to the technical problem.

Hindi Usage: अभियंता ने तकनीकी समस्या का नया समाधान प्रस्तुत किया।

the ability to accomplish something with the least waste of time and effort

समर्थता

English Usage: Her efficiency in managing the project saved the company a lot of resources.

Hindi Usage: उसकी प्रबंधन में समर्थता ने कंपनी के बहुत सारे संसाधनों की बचत की।

performing or functioning in the best possible manner with the least waste of time and effort

कुशल

English Usage: This machine is very efficient and reduces production time significantly.

Hindi Usage: यह मशीन बहुत कुशल है और उत्पादन के समय को काफी कम कर देती है।