Question

write divisibility rule of 7​

Answer 1

Answer:

The divisibility rule of 7 states that for a number to be divisible by 7, the last digit of the given number should be multiplied by 2 and then subtracted with the rest of the number leaving the last digit. If the difference is 0 or a multiple of 7, then it is divisible by 7.

For example :-

The unit digit of 798 is 8.

If the unit digit is doubled, we get 16 (i.e., 8 x 2 = 16)

The remaining part of the given number is 79.

Now, take the difference between 79 and 16.

= 79-16

=63

Here, the difference value obtained is 63, which is a multiple of 7. (i.e., 9 x 7 = 63)

Thus, the given number 798 is divisible by 7.

Hope it helped you...

Thank you !!!

Answer 2

hope it's help you

mark me as brainilist please