Given two A.P. `2,5,8,11...... T_(60)` and `3,5,79,......... T_(50)dot` Then find the number of terms which are identical.

The 10th term of the A.P. : 5, 8,11,14, ........ is ........

In the following two A.P. 's how many terms are identical 2,5,8,11.... to 60 terms and 3,5,7,.....50 terms

In the arithmetic progressions 2,5,8, upto 50 terms and 3,5,7,9 upto 60 terms,find how many terms are identical.

Find the n^(th) term of an A.P. given a=5 & d=-2 .

The sum of n terms of an A.P. is 3n^(2)+5 . The number of term which equals 159, is

Find the sum of the following A.P.'s : (i) 3,8,13, .... to 20 terms. (ii) 1,4,7,......... to 50 terms. (iii) 8,5,2, .... to 25 terms. (iv) (a+b), (2a+3b), (3b+5b), ........ to n terms.

Find the 60^(th) term of the A.P. 8, 10, 12, ....., if it has a total of 60 terms and hence find the sum of its last 10 terms.

In an A.P., if T_(1) +T_(5)+ T_(10) +T_(15)+ T_(20) + T_(24) = 225, find the sum of its 24 terms.

Find the sum to 25 terms of the A.P. 5, 7, 9, 11, …