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1970 AMC 12 Question 31

AMC12 · 1970 AMC 12

Question 31

If a number is selected at random from the set of all five-digit numbers in which the sum of the digits is equal to $43,$ what is the probability that this number will be divisible by $11?$
  1. $\frac{2}{5}$
  2. $\frac{1}{5}$
  3. $\frac{1}{6}$
  4. $\frac{1}{11}$
  5. $\frac{1}{15}$