NDA Maths Mock Test – 01 – Q107

Question:

If the mean of the first n odd natural numbers be n itself, then n is equal to

If the mean of the first n odd natural numbers be n itself, then n is equal to

Options:

  • 1
  • 3
  • any natural number
  • 2
  • 1
  • 3
  • any natural number
  • 2

Correct Answer: c)

Explanation:

1
i Mean = Xi+Xo+. ∞. +X,
n
! iN n= Kit Kyke∞tXe
=n” =X +Xp +… +X, 1
i Here, n can be any natural number.
‘ 108.

1
i Mean = Xi+Xo+. ∞. +X,
n
! iN n= Kit Kyke∞tXe
=n” =X +Xp +… +X, 1
i Here, n can be any natural number.
‘ 108.

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