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

How many terms are identical in the two APs 1,3, 5,... up to 120 terms and 3, 6, 9, .... up to 80 terms ?

How many terms are there in A.P

Number of identical terms in the sequence 2, 5, 8, 11, ... up to 100 terms and 3, 5, 7, 9, 11, ... Up to 100 terms is

Find the number of common terms in the following sequences : 3, 7, 11, ... to 100 terms and 2, 5, 8, ... to 100 terms.

How many terms are there in AP 7, 11, 15, …., 139?

How many terms are there in the A.P.3,7,11...407?

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.

How many terms are there in AP 1 , 3, 5 --- 49