Choose the number pair which is different from the others.
Question and options
Choose the number pair which is different from the others.
- 7 : 343
- 9 : 243
- 8 : 512
- 6 : 216
Answer and explanation
Correct answer: B - 9 : 243
343 = 7^3, 512 = 8^3 and 216 = 6^3, but 243 = 3^5 (9^3 = 729), so 9 : 243 is the odd one.
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CUSAT Three-Year LL.B.
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