GATE | GATE-CS-2004 | Question 19

If 73_x (in base-x number system) is equal to 54_y (in base-y number system), the possible values of x and y are
(A) 8, 16
(B) 10, 12
(C) 9, 13
(D) 8, 11

Answer: (D)
Explanation: We can solve it by converting both to decimals.
3 + 7*8 = 4 + 11*5
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