Question

7x421 is divisible by 9 then the digit x is-----------------


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Answer 1

Answer:

x=4

Step-by-step explanation:

= add all the digits if it is divisible by 9 then the number will also be divisible by 9.

= 7+4+2+1=14 (18 is closest to divisible by 9)

= 18-14= 4

=x=4