Question

anwer is 1
but how explain​

Answer 1

Answer:

When the first and the third digits of each number are interchanged, numbers becomes as follows:

283283 374374 865865 827827 748748 926926

Again, when 11 is added to the second digit of each number, numbers becomes as follows:

293293 384384 875875 837837 758758 936936

Therefore, the required pair of highest numerical value is 568568 and 728728.

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Answer 2

Answer:

Given numbers: 712 843 648 257 423

1. On interchanging the first and second digits:

172 483 468 527 243

We can clearly see that 483 the second-largest number.

Hence, the second-largest number is 843.