1) When a certain number is multiplied by 13, the product consists entirely of fives. The smallest such number is : A) 41625 B) 42135 C) 42515 D) 42735 Answer: Option DExplanation:By hit and trial, we find that a number exactly divisible bv 13 and consisting entirely of fives is 555555. On dividing 555555 by 13. we get 42735 as quotient. Required number = 42735.
