" How many terms of A.P."3,5,7,9,..." must be taken to get the sum "120?

How many terms of the AP 3, 5, 7, 9, … must be added to get the sum 120?

How many terms of the A.P.63,60,57,..... must be taken so that their sum is 693?

How many terms of the A.P.: 9,17,25,..... must be taken to give a sum of 636?

How many terms of the A.P.: 9,17,25,.... must be taken to give a sum of 636?

How many terms of the A.P. 24,20, 16, ... must be taken so that the sum may be 72? Explain the double answer.

How many terms of the A.P : 9,6,3,"….." must be taken so that their sum is 78 ?

How many terms of the A.P. 9,17,25.....must be taken so that their sum is 636.

How many terms of the G.P. 1,2,4…… must be taken to make the sum 255?

How many terms of the A.P. 9, 17, 25, …..must be taken to give a sum of 636 ?

How many terms of the A.P : 9, 17, 25... must be taken to give a sum of 636 ?