Question

Find the eleventh term from the last term of the A.P
$27,23,19,.....,-65$

Answer 1

$27,23,19,.........-61,-65.$

${11}^{th}$ term from last of this $AP$ is the ${11}^{th}$ term

from beginning of $AP=-65.-61,-\mathrm{57......}$

$=(-65)+(11-1)\left(4\right)$

$=-65+10\times 4$

$=-65+40$

$=-25$