Question

- (2) Test the divisibility of the following
numbers by 3.
(a) 169 (b) 26 03 (c) 3546 (d) 624 63(e)6370(f)10373​

Answer 1

Answer:

169 is not divisible by 3

2603 is not divisible by 3

3546 is divisible by 3

624 is divisible by 3

63 is divisible by 3

6370 is not divisible by 3

10373 is not divisible by 3

to know that the number is divisible by 3 or not add the given digits of number and after adding the number is obtained if it comes in the table of 3 than it is divisible by 3 this same rule is applied in the divisibility rule of 9 ........

Step-by-step explanation:

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Answer 2

Answer:

(a) 169 - Not Divisible by 3

(b) 2603 - Not Divisible

(c) 3546 - Divisible by 3

(d) 62463 -Divisible by 3

(e) 6370 - Not divisible by 3

(f) 10373 - Not divisible by 3

Step-by-step explanation:

Divisibility rule if 3

Sum of the digits should be divisible by 3

169 - 1+6+9 = 16

16 is not divisible by 3

hence 169 is not divisible by 3

The same rule applies for all