Given set : 538, 725, 813
Option:
Justification:
In all the numbers, (1st digit + 3rd digit) - middle digit = 10
Thus, 5 + 8 - 3 = 10, 7 + 5 - 2 = 10, 8 + 3 - 1 = 10.
A. 814
B. 712
C. 328
D. 219
Answer: D . 219
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