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Number System (Unit Digit) Video Lecture - Banking Exams

FAQs on Number System (Unit Digit) Video Lecture - Banking Exams

1. What is the unit digit in a number system?

Ans. The unit digit in a number system refers to the rightmost digit of a number. It represents the value of that digit in a specific place value.

2. How can the unit digit in a number be determined?

Ans. To determine the unit digit in a number, we simply need to look at the rightmost digit. In a decimal number system, this digit ranges from 0 to 9.

3. What is the significance of the unit digit in mathematics?

Ans. The unit digit plays a crucial role in various mathematical operations. It helps determine the divisibility of numbers, identify patterns, and simplify computations.

4. How does the unit digit affect the divisibility of a number?

Ans. The unit digit can provide insights into the divisibility of a number. For example, in a number ending with 0 or 5, the number is divisible by 5. Similarly, if the sum of the digits is divisible by 3, then the whole number is divisible by 3.

5. Can the unit digit of a number be used to predict its square or cube?

Ans. Yes, the unit digit of a number can be used to predict the unit digit of its square or cube. By analyzing the patterns and properties of unit digits, we can make accurate predictions in many cases. For example, the unit digit of the square of any number ending with 1, 4, 5, 6, or 9 will always be 1.

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Jan 15, 2025 Last updated

Number System (Unit Digit) for Banking Exams2025 is part of Banking Exams preparation. The notes and questions for Number System (Unit Digit) have been prepared according to the Banking Exams exam syllabus. Information about Number System (Unit Digit) covers all important topics for Banking Exams2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Number System (Unit Digit).

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