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JEE MATHEMATICS MCQ: PERMUTATIONS

1 Easy

1 of 1

Application +4 | -1

Let

x_1, x_2, x_3

______

x_n

be

n

observation such that

\Sigma\left(x_i\right)^2=400

and

\Sigma x_i=40

then a possible value of

n

among the following is

View answer and explanation

Correct option: B

4

Option B (4) is correct because the condition derived from AM-GM inequality requires n > 4, making 4 the smallest possible integer value for n.

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