
$q_{\max }=1000 \,\mu C , 2000 \,\mu C , 2500 \,\mu C$
$q=1000 \,\mu C , 1000 \,\mu C , 1000 \,\mu C$
$V=50 \,V , 25 \,V , 20 \,V$
$V_{\text {net }}=50+20+25$
$V_{\text {net }}=95 \,V$

Reason : Potential due to charge of outer shell remains same at every point inside the sphere.
