Question

9. Find all possible values of y for which the number 53y1 is divisible by 3. Also, find each such number​

Answer 1

Answer:

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Let see in ur question..

=>(5 + 3 + y + 1) = it is always equal to a no. which is divisible by 3, means

9 + y = 9, 12, 15, 18.

Hence, here possible value of y is only 0, 3, 6, 9.

So, ur required no. are 5301, 5331, 5361, 5391.

Step-by-step explanation:

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Answer 2

Answer:

Step-by-step explanation:5+3+y+1=3

9+y=3 y=0, 3,6,9,12