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Sum of squares

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Re: Sum of squares

by x2suresh » Wed Feb 18, 2009 12:58 pm
4meonly wrote:OA D
Image
n^2<100 --> n=9

sum = 9*10*19/6 = 15*19= 285

D
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Re: Sum of squares

by abhigyanc » Wed Feb 18, 2009 4:38 pm
n^2<100 --> n=9

sum = 9*10*19/6 = 15*19= 285

D[/quote]

Can you please explain how you got the second step?
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by Bidisha_800 » Thu Feb 19, 2009 12:28 am
squares from 1 to 9 are less than 100

so answer =9*10*19/6=285
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