Question

Use 'Divisibility Rules' to determine which one of the following numbers is divisible by 11: A 6,915 B 6,917 C 6,919 D 6,921

Answer 1

Step-by-step explanation:

यूज डिविजिबिलिटी रूल 2009 इन व्हिच वन ऑफ द फॉलोइंग नंबर

Answer 2

6919 is divisible by 11.

A number is divisible by 11, if the difference between the sums of alternate digits is either 0 or a multiple of 11.

(a) 6915

6 + 1 = 7

9 + 5 = 14

14 - 9 = 5

Therefore, 6915 is not divisible by 11.

(b) 6917

6 + 1 = 7

9 + 7 = 16

16 - 7 = 9

Therefore, 6917 is not divisible by 11.

(c) 6919

6 + 1 = 7

9 + 9 = 18

18 - 7 = 11

Therefore, 6919 is divisible by 11.

(d) 6921

6 + 2 = 8

9 + 1 = 10

10 - 8 = 8

Therefore, 6921 is not divisible by 11.

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To know more about Divisibility Rules click the link below

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