I still think my answer is right...lol
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450 *Y=n^3----->min Y=5*2^2*3( coz n and y are int)
1) y/(3*2^2*5)=3*2^2*5/3*2^2*5=1 an int hence true
2) 3*2^2*5/3^2 * 2* 5=2/3 not an int
same for 3) not an int
hence 1 only i.e B
