Find the nth term of an HP

Find the nth term of an AP from the end

The 10th and 14th terms of a H.P. are (2)/(29) and (2)/(41) respectively. Find the nth term of the H.P.

If the 10th and 19th terms of a H.P. are (-(5)/(37)) and (-(5)/(64)) respectively, find the nth term of the H.P.

Find the nth term of GP if the first term is 7 and common ratio is 3.

Find the first term of a HP whose second term is (5)/(4) and the third term is (1)/(2) .

Find the nth term of the series =1+4+10+20+35+".." .

Find the nth term of the series 1+5+18+58+179+"..." .

Find the nth term of the series 1+2+5+12+25+46+"...." .