A.P. 21,18,15, का कौन पद शून्य हैं ?

for the A.P. 21, 18, 15, .. which term of the progression is 0

for the A.P. 21, 18, 15, .. find t_10 and t_15

Which term of the AP:- 21, 18, 15, . . . is – 78?

Which term of the AP : 21, 18, 15, ..... is - 81 ? Also ,is any term 0 ? Give reason for your answer .

Which term of the AP 21, 18, 15,.. Is -81? Also, is any term 0? Give reason for your answer

Which term of the AP : 21, 18, 15,... is - 81 ? Also, is any term 0? Give reason for your answer.

How many terms of the AP 21, 18, 15,… must be added to get the sum 0?

The average of 26 numbers is zero. Of them, how many may be greater than zero, at the most? 26 संख्याओं का औसत शून्य है | अधिक से अधिक कितनी शून्य से बड़ी हो सकती हैं ?

Consider the A.P. 18,15,12.... Find the sum to n terms of the A.P.

Which term of the AP: 21,18,15, ...... Is -81? Is there any term 0? Give reason for your answer.