1) The largest four-digit number which is perfect cube is : A) 8000 B) 9261 C) 9999 D) none of these Answer: Option BExplanation:$8000=2^{3}\times 2^{3}\times 5^{3}$$9261=3^{3}\times 7^{3}$$9999=3^{2}\times 1111$Clearly the largest four digit number which has perfect cube is 9261
