Question

12. Determine if 25110 is divisible by 45.
[Hint : 5 and 9 are co-prime numbers. Test the divisibility of the number by 5 and 9)
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Answer 1

25110 is divisible be 45 and the answer is 558

as per checking the divisibility of the 25110 by 5 and 9 so the divisibility rule of 5 says that the unit digit should be 0 or 5 and this number satisfy this and the divisibility rule of 9 says that the sum of all the digits in the number should be divisible by 9, so by adding 2,5,1,1,0 the answer is 9 and it is divisible by 9

Answer 2

Step-by-step explanation:

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