Progression (Sequence and Series)Hard
Question
If a,b,c be in H.P. then a −
,
,c−
will be in -
,,c−will be in -Options
A.A. P.
B.G. P.
C.H. P.
D.None of these
More Progression (Sequence and Series) Questions
If the Standard Deviation of a variate is s, then the S.D. of 3x + 2 is:...If for an AP a1, a2, a3.....,an,...... ......a1 + a3 + a5 = -12 and a1 a2 a3 = 8then the value of a2 + a4 + a6 equals :-...The median of the data 13, 14, 16, 18, 20, 22 is-...The mean of a set of numbers is . If each number is multiplied by λ, then the mean of the new set is-...Let the sequence a1, a2, a3, ......, an form an A.P., then a12 − a22 + a32 − a42 + ...... + a2n−12 ...