MathematicsNumber basesJAMB
Add 234 (base 5) and 143 (base 5), giving the answer in base 5.
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Answer: D. 432
234₅ = 69 and 143₅ = 48; 69 + 48 = 117 = 4 × 25 + 3 × 5 + 2 = 432₅. (377 is not a valid base-5 numeral.)
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.