Find the sum of the G. P.: 8/10, 8/100, 8/1000, 8/10000, … to 55 terms.

Find the sum of the following APs. (iii) 0.6, 1.7, 2.8, ………. to 100 terms.

Find the mode of 8, 12, 1, 8, 5, 10, 9, 21, 1, 7, 8.

Find the sum of first 10 multiples of 8.

Find the sum to n terms of the sequence, 8, 88, 888, 8888… .

Find the sum of GP.: 1, 2,4,8, ... up to the 10th term.

Find the sum of the following Aps, (i) 2,7,12,…..to 10 terms. (ii) -37, -33, -29 , to 12 terms (iii) 0.6, 1.7, 2.8,…… to 100 terms (iv) 1/15, 1/12, 1/10 , ………….. To 11 terms.

Which term of the G.P. (i) 2, 8, 32,….is 512?

Check whether -321 is a term of the A.P. : 22, 15, 8, 1,…..

Express 10, 100, 1000, 10000, 100000 is exponential form.

Find the sum of the first 8 terms of 3,6,12,24,………