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Post-UTME Mathematics 2005 Objective — Question 3

Question 3 of 26 from the Post-UTME Screening (Post-UTME) Mathematics 2005 Objective paper, with the correct answer and a full explanation.

If 13 base x = 12 base 10, find the value of k [x presumably the unknown base]

A. 4
B. 5
C. 7
D. 9Correct

Explanation

1(x)+3=12, giving x=9.

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