JAMB Mathematics 2018 Objective — Question 8
Question 8 of 39 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2018 Objective paper, with the correct answer and a full explanation.
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Find the value of n if 13ₙ+24ₙ=41ₙ (numbers in base n)
- A. 8
- B. 7
- C. 6Correct
- D. 5
Explanation
13ₙ=n+3, 24ₙ=2n+4, 41ₙ=4n+1. (n+3)+(2n+4)=4n+1 → 3n+7=4n+1 → n=6.
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