Question

What is the probability that a two-digit positive integer N has the property that the difference of N and the number obtained by reversing the order of its digits is a perfect cube?

• A. $\frac{4}{45}$
• B. $\frac{5}{15}$
• C. $\frac{6}{45}$
• D. $\frac{7}{45}$
• E. $\frac{8}{45}$

Answer 1

Answer: (D)

$\frac{7}{45}$

Answer 2

The correct option is (D): $\frac{7}{45}$