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Learning: Some more Divisibility Rules Video Lecture | Advance Learner Course: Mathematics (Maths) Class 5

37 videos|22 docs|10 tests

FAQs on Learning: Some more Divisibility Rules Video Lecture - Advance Learner Course: Mathematics (Maths) Class 5

1. What are divisibility rules?
Ans. Divisibility rules are mathematical rules or shortcuts that help determine whether a number is divisible by another number without performing the actual division. These rules are based on patterns and characteristics of numbers.
2. What is the divisibility rule for 2?
Ans. The divisibility rule for 2 states that a number is divisible by 2 if its last digit is even, i.e., it ends in 0, 2, 4, 6, or 8. For example, 246 is divisible by 2 because its last digit is 6.
3. What is the divisibility rule for 3?
Ans. The divisibility rule for 3 states that a number is divisible by 3 if the sum of its digits is divisible by 3. For example, 123 is divisible by 3 because 1 + 2 + 3 = 6, which is divisible by 3.
4. What is the divisibility rule for 5?
Ans. The divisibility rule for 5 states that a number is divisible by 5 if its last digit is either 0 or 5. For example, 235 is divisible by 5 because its last digit is 5.
5. What is the divisibility rule for 9?
Ans. The divisibility rule for 9 states that a number is divisible by 9 if the sum of its digits is divisible by 9. For example, 234 is divisible by 9 because 2 + 3 + 4 = 9, which is divisible by 9.
37 videos|22 docs|10 tests
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