If 0 < n < 1, which of the following statements must be true? 1. n2 > n3
2. 2n > n
3. n > n3

A. 1 only

B. 2 only

c. 1 and 2 only

D. 1 and 3 only

E. 1, 2, and 3

answer:  

\boxed {\frac{1}{5}}  

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solution-

60 *   \frac{1}{5}   = 12

90 * \frac{1}{5} = 18

75 * \frac{1}{5} = 15

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hence, the answer would be \boxed {\frac{1}{5}}