A number is multiplied by 11 and 11 is added to the product. If the resulting number is divisible by 13, the smallest original number is	Options:
A) 6	B) 12	C) 22	D) 52	E) None
Sol.   Let the required number be x.   Then, (11x + 11) = 11(x + 1) is divisible by 13. So, x = 12.   Answer 12
<result>B</result>
A number is multiplied by 11 and 11 is added to the product. If the resulting number is divisible by 13, the smallest original number is