Progression (Sequence and Series)Hard
Question
The S.D. of 7 scores 1, 2, 3, 4, 5, 6, 7 is
Options
A.4
B.2
C.√7
D.None of these
More Progression (Sequence and Series) Questions
The sum of n terms of the series log a + log + log + ... is-...The positive integer n , for which the solutions of the equation$${x(x + 2) + (x + 2)(x + 4) + \ldots. + (x + 2n - 2)(x ...The scores of a batsman in ten innings are: 38, 70, 48, 34, 42, 55, 63, 46, 54, 44, then mean deviation about the median...The third term of a geometric progression is $4$. The product of the first five terms is:...The number of terms in the series 101 + 99 + 97 + .....+ 47 is-...