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If a number is divisible by 9, then it is also divisible by which number?
  • a)
    3
  • b)
    2
  • c)
    6
  • d)
    5
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
If a number is divisible by 9, then it is also divisible by which numb...

Divisibility Rule for 9:


When a number is divisible by 9, the sum of its digits is also divisible by 9.


Explanation:


Let's take an example of a number 567.


Sum of digits of the number = 5+6+7 = 18


Since 18 is divisible by 9, the number 567 is also divisible by 9.


Divisibility Rule for 3:


When a number is divisible by 3, the sum of its digits is also divisible by 3.


Explanation:


Let's take the same example of the number 567.


Sum of digits of the number = 5+6+7 = 18


Since 18 is divisible by 3, the number 567 is also divisible by 3.


Therefore, if a number is divisible by 9, it will also be divisible by 3 since both have the same divisibility rule.


Conclusion:


If a number is divisible by 9, then it is also divisible by 3.


Therefore, the correct answer is option 'A' which is 3.
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Community Answer
If a number is divisible by 9, then it is also divisible by which numb...
Rule of divisible of 9 if the sum of all the digit is divisible by 9 then the result is also divisible by 3 also
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