Question

Divisibility rule of 7 wih explanation with example

Answer 1

Step-by-step explanation:

Multiply the last digit of the number given by 2.

Subtract the product obtained from the remaining digits of the number together excluding the number which you have doubled. The number obtained after subtraction, if divisible by 7,then the given number is divisible by 7.

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Answer 2

Answer:

I will explain with exmple

lets take a number

546

1 twice one's digit number

2 subtract it from remaining numbrr

one's digit number is 6 its twice is 12

now subtract it from 54

54-12=42

now if the resulting number is divisible by 7 then the full number will also be divisible by 7