Study the following information carefully and answer the questions given below:
The questions are based on the given 3-digit numbers: 732 517 293 315 638
If all the digits of the given numbers are arranged in ascending order within the number, then what will be the product of the, first and the third digit of the highest number thus formed?

Options

A. 7
B. 18
C. 24
D. 5

Answer

C