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  1. On multiplying a number by 7, all the digits in the product appear as 3’s. the smallest such number is
    1. 47649
    2. 47719
    3. 47619
    4. 48619
Correct Option: C

Let the smallest number be x.
∴  x × 7 = 33333....

⇒  x =
33333....
 = 47619
7


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