Multiplication Table of 21 in Maths - Multiplication Table of Twenty One - Free PDF Download
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FAQs on Table of 21 - Multiplication Table of 21
1. What are the rules followed by a multiplication table of 21?
The multiplication table of 21 follows the rule of repetitively adding the numbers 21 to itself. Therefore, we can find each multiple of 21 by adding 21 repetitively to itself. For example, to find the fifth multiple of 21, we add 21 five times, i.e., 21 + 21 + 21 + 21 + 21, or we multiply 5 by 21, i.e., 5 × 21 = 105.
2. What is the divisibility rule of 21?
We know 21 = 7 × 3, therefore, 21 is the multiple of 7 and 3. So, if any number is divisible by 3 and 7 both, the number is also divisible by 21.