UPSC NDA 2 2022 Mathematics Solved Paper

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Question : 101 of 120
 
Marks: +1, -0
Let x be the mean of squares of first n natural numbers and y be the square of mean of first n natural numbers. If ‌
x
y
=‌
55
42
, then what is the value of n ?
[NDA II 2022]
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