Question

The sum of the series 1/2 + 1/3 + 1/6 +……. to 9 terms is

Solution

Correct option is

– 3/2

This is an A.P. of common difference – 1/6.   

SIMILAR QUESTIONS

Q1

 

 Then x =

 

Q3

Consider an infinite geometric series with first term a and common ratio r. If its sum is 4 and the second term is 3/4, then

Q4

Third term of a G.P > is 4. The product of first five terms is

Q5

 

 

Q6

The harmonic mean of the roots of the equation 

Q8
Q9

Let the positive numbers a, b, c, d be in A. P. Then abc, abd, acd, bcd are