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What is the answer when 2434\(_6\) is divided by 42\(_6\)?

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Mathematics JAMB 1999

What is the answer when 2434\(_6\) is divided by 42\(_6\)?

  • 236
  • 356 checkmark
  • 526
  • 556

The correct answer is: B

Explanation

Hint: Two methods can be used;
1. Direct division (if you know division in number bases)
2. Convert both sides to base 10, divide and convert your answer back to base 6. Your answer should be 356

2434\(_6\) to base 10

2 \(\times\) 6\(^3\) + 4 \(\times\) 6\(^2\) + 3 \(\times\) 6\(^1\) + 4 \(\times\) 6\(^0\)

2 \(\times\) 216 + 4 \(\times\) 36 + 3 \(\times\) 6 + 4 \(\times\) 1

432 + 144 + 18 + 4 = 598

And: 42\(_6\) to base 10

4 \(\times\) 6\(^1\) + 2 \(\times\) 6\(^0\)

4 \(\times\) 6 + 2 \(\times\) 1

24 + 2 = 26

Then divide 598 by 26 

= 23

Then convert 23\(_{10}\) to base 6

6 23
6 3 r 5
6  0 r 3

23\(_{10}\)  =  35\(_6\)

                 

                 

                  

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