Math, asked by sudharanimandhai, 6 months ago

divisibility rule of 7 with explanation example step by step​

Answers

Answered by Anonymous
9

Answer:

Divisible by 7 is discussed below: We need to double the last digit of the number and then subtract it from the remaining number. If the result is divisible by 7, then the original number will also be divisible by 7.

Answered by kargetikavita8
0

Answer:

Divisbility Rule of 7 :

The last digit is multiplied by 2 and subtracted from the rest of the number. The result is either 0 or divisible by 7

example

i) 2205

Last digit multiply by 2, 5 * 2 = 10

Subtracted rest of digits, 220 - 10 = 210

Divisible by 7, 210 / 7 = 30

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