If all the digits in each of the numbers are arranged in descending order within the number, which of the following will form the second highest number in the new arrangement of numbers?
739
Given that five three-digit numbers are:
356 497 812 739 264
After arranging in descending order the numbers are:
653, 974, 821, 973 and 642
So 973 is the second highest number in the new arrangement for 739.