1.

In this question, some equations are solved on the basis of a certain system. On the same basis find out the correct answer from amongst the four alternatives for the unsolved equation._x005F_x000D_ 7x6x8=6788x9x7=9876x5x7=5675x4x6=?

A. 456
B. 564
C. 645
D. 654
Answer» B. 564


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