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Examples: Tests for Divisibility Video Lecture | Advance Learner Course: Mathematics (Maths) Class 5

37 videos|22 docs|10 tests

FAQs on Examples: Tests for Divisibility Video Lecture - Advance Learner Course: Mathematics (Maths) Class 5

1. What is divisibility?
Ans. Divisibility is a mathematical concept that determines whether one number can be evenly divided by another number without leaving a remainder. It helps us understand the relationships between numbers and identify if they have any common factors.
2. How can I test if a number is divisible by 2?
Ans. To test if a number is divisible by 2, you simply need to check if the number's last digit is an even number (0, 2, 4, 6, or 8). If the last digit is any of these, then the number is divisible by 2.
3. What are the rules for testing divisibility by 3?
Ans. To test if a number is divisible by 3, you can add up all its digits. If the sum is divisible by 3, then the original number is also divisible by 3. For example, if the sum of the digits is 9 or any multiple of 3, then the number itself is divisible by 3.
4. How can I determine if a number is divisible by 5?
Ans. To test if a number is divisible by 5, you need to check if the number ends with a 0 or 5. If the last digit is 0 or 5, then the number is divisible by 5.
5. What are the divisibility rules for 9?
Ans. To test if a number is divisible by 9, you can add up all its digits. If the sum is divisible by 9, then the original number is also divisible by 9. For example, if the sum of the digits is 18 or any multiple of 9, then the number itself is divisible by 9.
37 videos|22 docs|10 tests
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