a small amount of something that remains after the main part has gone, been removed, or has been destroyed

अवशेष

English Usage: After the chemical reaction, a residue was left in the beaker.

Hindi Usage: रासायनिक प्रतिक्रिया के बाद, बर्तन में एक अवशेष रह गया था।

the branch of mathematics dealing with the addition, subtraction, multiplication, and division of numbers

अंकगणित

English Usage: She excelled in arithmetic and loved to solve complex equations.

Hindi Usage: वह अंकगणित में उत्कृष्ट थी और जटिल समीकरण हल करना पसंद करती थी।

a study or method in mathematics that deals with numbers in terms of their remainders after division

अवशेष अंकगणित

English Usage: Residue arithmetic is useful in number theory and cryptography.

Hindi Usage: अवशेष अंकगणित संख्यात्मक सिद्धांत और कूटलेखन में उपयोगी है।