Question

What is the Divisibility of 7?​

Answer 1

Answer:

Divisibility of 7 is example - 875, (87-5 x 2) = 87-10 = 77/ 7 = remainder = 0

then the no. is divisible by seven

Step-by-step explanation:

if the last digit of a number is doubled and then subtracted from the remaining number gives 0 or a number divisible by 7, then the number is divisible by 7.

Answer 2

Answer:

the difference between twice the unit digit of the given number and the remaining part of the given number should be a multiple of 7 or it should be equal to zero for example 798 is divisible by 7