If the positions of the first and the third digits of each number are interchanged what will be the ...........

Logical Reasoning(Master ) Alpha-Numeric Series

Directions: Following questions are based on the six three-digit numbers given below:
428 548 943 297 567 459

If the positions of the first and the third digits of each number are interchanged, what will be the difference between middle digits of the lowest and the highest number?

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Explanation:

Correct Option: A
The given numbers:
428 548 943 297 567 459
After applying above condition, we get:
824 845 349 792 765 954
Now, arranging all the numbers in ascending order, we get:
349 765 792 824 845 954
The lowest and the highest number of the sequence are 349 and 954 respectively.
The middle digit of 349 = 4
The middle digit of 964 = 5
Now, difference between the middle digits of these two numbers = 5 – 4 = 1
Hence, the correct answer is option A.