Find the number of terms common to the two arithmetic progression 5,9,13,17,…,216 and 3,9,15,21,…..,321

Sum of the first hundred numbers common to the arithmetic progression 12, 15, 18, …………… and 17, 21, 25,………. Is

Sum of the first hundred numbers common to the arithmetic progression 12, 15, 18, …………… and 17, 21, 25,………. Is

Find the sum of the following arithmetic progression: 3,9/3,15/2,.. to terms.

Find the 12th term from the end of the following arithmetic progression: 3,5,7,9…..201

Find the 12 th term from the end of the following arithmetic progression: 3,5,7,9..201

Find the sum of the following arithmetic progression: 3,9/2,6,15/2,……….. to 25 terms.

Among the following, which term belongs to the arithmetic progression -5, 2, 9, … ?

Find the sum of 23 terms of the AP 5,9,13,17,……

Find the common difference and write the next four terms of each of the following arithmetic progressions: 1,-2,-5,-8, (ii) 0,-3,-6,-9