characterized by lack of definite plan, purpose, or arrangement

an unpredictable outcome or event

एक अप्रत्याशित परिणाम या घटना

English Usage: The lottery is based on random selection!

Hindi Usage: लॉटरी अनियमित चयन पर आधारित है!

the system of production, distribution, and consumption of goods and services

a careful management of resources

संसाधनों का सावधान प्रबंधन

English Usage: She practiced economy by reducing her expenses.

Hindi Usage: उसने अपने खर्चों को कम करके आर्थिकी का पालन किया।