" (ii) "18,15(1)/(2),13,...+,-47

Find the number of terms in each of the following Aps : 18,15(1)/(2),13,........,-47

Find the number of terms in each of the following APs : 18, 15(1)/(2), 13, …,-47

Find the number of terms in the following A.P. : 18, 15(1)/(2), 13 .. -47 .

Find the number of terms in the following A.P. : 18, 15(1)/(2), 13 .. -47 .

How many terms are there in the AP 18, 15(1)/(2), 13,…, -47?

Find the number of tterms in each of the following A.P.'s: 18,15 (1)/(2), 13,…, - 47

How many terms are there in the A.P? 7, 10 , 13 , 43. (ii) -1, -5/6, -2/3, -1/2, ddot,(10)/3dot (iii) 7, 13 , 19 , ddot, 205 . (iv) 18 , 15 1/2, 13 , ddot, -47 .

Find the sum: 25+28+31+.+100 (ii) 18+15(1)/(2)+13++(-49(1)/(2))