Find the sum of first `10` terms of the following series `4+8+12+.....`

Find the sum of first n terms of the following series: 5+11+19+29+41+..................

Find the sum of first n terms of the following series: 5+11+19+29+41+ dot

Find the sum of infinite term of the following series : 16+8+4…oo

Find the sum of the first 28 terms of the series.

Find the sum of first 10 terms of the A.P. 4+6+8+………

Find the sum of the first n terms of the series: 0.2 + 0.22 + 0.222+ ....n - terms

Find the sum of first n terms and the sum of first 5 terms of the geometric series 1 + 2/3 + 4/9 +dotdotdot

Find the sum of n terms and sum to infinity of the following series : (1)/(2cdot4)+(1)/(4cdot6)+(1)/(6cdot8)+…

Find the sum of 10 terms of the progression : 2+4+8+…

Find the sum of 10 terms of the series : 96-48+24 . . . . . . . . . . .