Recent questions tagged cmi2010

2 votes
1 answer
1
For integer values of $n$, the expression $\frac{n(5n + 1)(10n + 1)}{6}$Is always divisible by 5.Is always divisible by 3.Is always an integer.None of the above
0 votes
1 answer
3
The area of the largest square that can be drawn inside a circle with unit radius is$\sqrt{2}$21None of the above
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