The Total solution for NCERT class 6-12
The given A.P. is 7,10, 13,…, 184Here first term (a) = 7and common difference (d) = 10 – 7 = 3and last tenn (l) = 184Let nth term from the last is an = l – (n – 1) da8= 184 – (8 – 1) x 3 = 184 – 7 x 3 = 184 – 21 = 163