6+66+666+....n" terms "=

Calculate: 0.6+0.66+0.666+ ..... n terms.

Find the sum of the series 0.6 +0.66 +0.666+ ... to the n terms

Show that (666 ...n "times")^(2) +(888.... N times) =(444.... 2n times).

Let N = 6 + 66 + 666 + ... + 666....66, where there are hundred 6's in the last term in the sum. How many times does the digit 7 occur in the number N ?

Find the sum of the following series 6+66+666+..........to n term

Find the sum of the following series up to n terms:(i) 5 + 55 + 555 + . . . . (ii) . 6 +.66 +.666 +. . . .

Find the sum of the following series: 0. 6+0. 66+0. 666 to\ n\ t e r m s

Find the sum of the following series: 0.6+0.66+0.666rarr nterms