Question

(xiii) 8760057
(xiv) 99395055
(XV) 100001010
2. Find all the possible values of x for which the number 71x is divisible by 3. Also, find all
such numbers.​

Answer 1

Answer:

Divisibility rule for 3 states that a number is divisible by 3 if the sum of its digits is divisible by 3.

Here, 7+1+x = 8+x

Hence possible X has to be *1 , 4 ,7* so that the no. becomes divisible be 3.

Such Numbers will be 711 , 714, 717.

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