Monday, 5 October 2020

jharkhand acdemic concial

Hy friends ap svi ko jharkhand acdemic concial ne 2020-21 ka exam date fast March ko exam date jari kiya gya. 
Lockdone ke karn svi ka  study bf ho gya. 

How many teram af AP :24, 21,18,....... Must be taken so that their sum is 78 ?

 Here,    a=24 , d=12-24=-3, Sn= 78.