Question

if x is a digit such that number35x64 is divisible by 3,Find possible value of x​

Answer 1

Answer:

The sum of digits of a number divisible by 3 is x multiple of 3

⇒3+5+x+6+4=3n

⇒18+x=3n

⇒If n=6⇒3n=18

⇒If n=9,3n=27

⇒If n=6,7,8,9⇒18+x=18,21,24,27

∴x=0,3,6,9

Answer 2

Answer:

Value of x

first of all find the addition of all the digits

secondly see if the adding number is divisible or not by three

last you see how many numbers we have to add more to make it divisible by 3

Step-by-step explanation:

35x64/3

=3+5+6+4

=8+10

=18

Now check weather 18 is divisible by three or not

18 divided by 3

It is not divisible so lets add few more digits to make it dividible

divisible number nearest to 18= 21

therefore 21-18= 3

answer =35364 is divisible by 3 and the added number is 3

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