Question

Solution

Correct option is

0.8

We have

             

 

                    

SIMILAR QUESTIONS

Q1

If the sum to terms of an A.P. is 3n2 +5n, while T= 164, then value ofm is

Q2

If Gand 2 are two geometric means and A is the arithmetic mean inserted between two positive numbers and b then the value of 

Q3

Suppose for each n ∈ N.

then aequals

Q4

 

Let A1, A2 be two arithmetic means, G1, G2 be two geometric means, andH1H2 be two harmonic means between two positive numbers a and b. The value of

                                              

Q5

Sum of the series

 

Q9

 

Let x be the arithmetic mean and y, z be the two geometric means between any two positive numbers.

Q10