Understanding number system from "summary" of RRB ALP Exam PDF-RRB Assistant Loco Pilot Exam-CBT-1-Mathematics Subject eBook by Chandresh Agrawal,Nandini Books
The number system is a fundamental concept in mathematics that involves the study of numbers and their properties. It is essential to have a clear understanding of the number system to solve mathematical problems effectively. The number system is divided into different categories such as natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers. Natural numbers are the numbers we use for counting, such as 1, 2, 3, 4, and so on. Whole numbers include natural numbers along with zero, such as 0, 1, 2, 3, and so forth. Integers are a set of whole numbers and their negatives, including numbers like -3, -2, -1, 0, 1, 2, 3, and so on. Rational numbers are numbers that can be expressed as a ratio of two integers, like 1/2, 3/4, 5/6, etc. Irrat...
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