Question

the easiest divisibilty rule of 7 with explanation ( using photos/ text/ video)​

Answer 1

Answer:

Double the last no. then subtracting it with the remaining digit and checking whether it is divisible by 7 or not.

EG

147

DOUBLE LAST DIGIT

7 × 2 = 14

SUBTRACT IT WITH REMAINING

14 - 14 = 0

AS 0 IS DIVISIBLE BY 7 THUS 147 IS DIVISIBLE BY 7

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