Progression (Sequence and Series)Hard
Question
The maximum sum of the series 20 + 19
+ 18
+..... is -
+ 18+..... is -Options
A.310
B.300
C.320
D.None of these
More Progression (Sequence and Series) Questions
Let σ be the standard deviation of n observations. Each of the n observations is multiplied by a constant c. Then ...If the Standard Deviation of a variate is s, then the S.D. of 3x + 2 is:...The sum of the first 10 terms of a certain G.P. is equal to 244 times the sum of the first 5 terms. Then the common rati...The sum of the series ad inf. is...With usual notations in ᐃABC, it is given that r1, r2, r3 are in harmonic progression. The perimeter of triangle i...