Progression (Sequence and Series)Hard
Question
Let p, q, r ∈ R+ and 27 pqr ≥ (p + q + r)3 and 3p + 4q + 5r = 12 then p3 + q4 + r5 is equal to -
Options
A.2
B.6
C.3
D.none of these
More Progression (Sequence and Series) Questions
The sum of integers from 1 to 100 that are divisible by 2 or 3, is -...Find three numbers in G.P. such that their sum is 14 and the sum of their squares is 84 -...If 1 + r + r2 + ....+ rn = (1 + r) (1 + r2) (1 + r4) (1 + r8) , then the value of n is-...The fifth term of a GP is 81 and its 8th term is 2187, then its third term is-...Sum of the first n terms of the series + ..... is equal to...