" Q.3How many terms of the sequences "18,16,14,......." be taken so that their sum is zero? "

How many terms of the sequence 18, 16, 14.... should be taken so that their sum is zero ?

How many terms of the sequence 17,15,13,11..... should be taken so that their sum is zero.

How many terms of the sequence 18 ,\ 16 ,\ 14 ,\ dot should be taken so that their sum is zero?

How many terms of the sequence 18 ,\ 16 ,\ 14 ,\ dot should be taken so that their sum is zero?

How many terms of the AP 27, 24, 21 ......should be taken so that their sum is zero.

How many terms of the sequence 54,51,48, ...be taken so that their sum is 513. Explain the double answer.

How many terms of the AP : 24, 21,18,... must be taken so that their sum is 78?

How many terms of the AP 27, 24, 21, ... should be taken so that their sum is zero ?

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

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