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  1. The smallest number by which 243000 be divided so that the quotient is a perfect cube is
    1. 3
    2. 27
    3. 9
    4. 1
Correct Option: C

243000 = 243 × 1000
= 3 × 3 × 3 × 3 × 3 × 10 × 10 × 10
= 33 × 32 × 103
∴  Required number = 32 = 9


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