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by thephoenix » Mon Jan 04, 2010 12:39 am
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
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by gen3hatch » Mon Jan 04, 2010 7:33 pm
I am missing something in your steps.....

450 *Y=n^3----->min Y=5*2^2*3( coz n and y are int)

????

I am thinking 450=2*3^2*5^2 ???
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