Progression (Sequence and Series)Hard
Question
Let a1, a2, ......, a10 be in A.P. & h1, h2, ...... h10 be in H.P.. If a1 = h1= 2 & a10 = h10 = 3 then a4h7 is -
Options
A.2
B.3
C.5
D.6
More Progression (Sequence and Series) Questions
If the 9th term of an A.P. be zero, then the ratio of its 29th and 19th term is-...The sum of all possible values of n∈N, so that the coefficients of $x,x^{2}$ and $x^{3}$ in the expansion of $\left( 1 +...If sum of infinite G.P. is x and sum of square of its terms is y, then common ratio is-...If the sum of n terms of an AP is 2n2 + 5n, then its nth term is-...The sum of the series upto infinity is...