Question

check the divisibility conditions of 5 and 7 is 555555
please give step by step explanation in divisibility condition of 7​

Answer 1

Answer:

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Answer 2

Answer:

555555 is divisible by 5 because number ending from 0 and 5 are divisible by 5.

Step-by-step explanation:

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

Example :-

483: 48 − (3 × 2) = 42 = 7 × 6.

Subtracting 9 times the last digit from the rest gives a multiple of 7.

Example :-

483: 48 − (3 × 9) = 21 = 7 × 3.