JAMB - Mathematics (1987 - No. 1)

Convert 241 in base 5 to base 8,
718
1078
1768
2418

Explanation

2415 = 2 x 52 + 4 x 5 + 1 x 5 + 1 x 5o

50 + 20 + 1 = 7110

Convert 7110 to base 8
\(\begin{array}{c|c} 8 & 71 \\ 8 & 8 R 7\\8 & 1 R 0\\8 & 0 R 1\end{array}\)

= 1078

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