1.

If in each of the following numbers, the positions of the first and the fourth digits are interchanged and so also the second and the third digits, what will be the difference between the highest and the lowest numbers after rearrangement?2945, 7321, 5789, 6562, 4953

A. 6398
B. 6848
C. 8645
D. 8638
Answer» E.


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