Math, asked by NitanshuRoy, 5 months ago

what is the divisibility rule of seven ?

plz give answer like that class 4 student can understand ​

Answers

Answered by evonann2007
1

divisible rule of 7

Adding 5 times the last digit to the rest gives a multiple of 7. (Works because 49 is divisible by 7.)

Subtracting 2 times the last digit from the rest gives a multiple of 7. (Works because 21 is divisible by 7.)

hope it helps

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