Progression (Sequence and Series)Hard
Question
The sum of an infinitely decreasing G.P. is equal to 4 and the sum of the cubes of its terms is equal to 64 / 7. Then 5th term of the progression is -
Options
A.1 / 4
B.1 / 8
C.1 / 16
D.1 / 32
More Progression (Sequence and Series) Questions
Let an be the nth term of a G.P. of positive numbers. Let a2u = β such that α ≠ β. Then the common ...If the sum of four numbers in A.P. be 48 and that the product of the extremes to the means is product of 27 to 48 then t...The geometric mean of the numbers 4, 8, 16 is-...If the mean of first n natural numbers is equal to , then n is equal to-...Let the sequence a1, a2, a3, ......, an form an A.P., then a12 − a22 + a32 − a42 + ...... + a2n−12 ...