Find sum of the series to n terms ` (1)/(2.4) + (1)/(4.6) + (1)/(6.8) + …`

Find the sum of: 24 terms and n terms of 2 (1)/(2) , 3 (1)/(3) , 4 (1)/(6) ,5 ,......,

Find the sum to n terms of 3 (3)/(8) + 2 (1)/(4) + 1 (1)/(2)+ .....

Sum the series to infinity : 1 +(1)/(2) +(1)/(4) +(1)/(8) + ...

Find the sum of the geometric series : 1,(1)/(2),(1)/(4),(1)/(8), . . . .. . . . . . upto 12 terms.

Find the sum of infinite terms of the series : (3)/(2.4) + (5)/(1.4.6) + (7)/(2.4.6.8)+ (9)/(2.4.6.8.10)+……

Find the sum of first n term of a G.P. 1+(1)/(2)+(1)/(4)+(1)/(8)+...

Find the sum of each of the series : 4+2 +1 + (1)/(2) +(1)/(4) + ... to 10 terms

Sum to n terms the series whose nth terms is (1)/(4n^(2)-1)

Sum to n terms of the series (1)/(1.4.7) + (1)/(4.7.10) + (1)/(7.10.13) +…….

Find the nth term sum of n terms and sum to infinity terms of the series (1)/(2.5)+(1)/(5.8)+ (1)/(8.11)+ ...