Question

plz explain me divisibility rules
full plz don't give wrong ans ​
plz ans

Answer 1

Answer:

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Answer 2

Answer:

Divisibility rule of 1 : Any integer (not a fraction) is divisible by 1

Divisibility rule of 2 : The last digit is even

Divisibility rule of 3 : The sum of the digits is divisible by 3

Divisibility rule of 4 : The last 2 digits are divisible by 4

Divisibility rule of 5 : The last digit is 0 or 5

Divisibility rule of 6 : It should be divisible by both 2 and 3

Divisibility rule of 7 : Double the last digit and subtract it from a number made by the other digits. The result must be divisible by 7. (We can apply this rule to that answer again)

It is little bit tough to understand so i am giving examples

672 (Double 2 is 4, 67−4=63, and 63÷7=9) Yes

105 (Double 5 is 10, 10−10=0, and 0 is divisible by 7) Yes

905 (Double 5 is 10, 90−10=80, and 80 here again apply the rule double 0 is o , 8-0=8 So not divisible) No

Divisibility rule of 8 : The last three digits are divisible by 8

Divisibility rule of 9 : The sum of the digits is divisible by 9

Divisibility rule of 10 : The number ends in 0

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