Numbers 

The number of positive integers n in the set {1, 2, 3… 100} for which the  expression (12 + 22 + 32 + ……+ n2)/(1 + 2 + 3 + …….+ n ) an integer is: ___________


See our previous ‘Questions of the Day’:   

https://tathagat.mba/quant-question-of-the-day-129/  
https://tathagat.mba/quant-question-of-the-day-128/

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