C=5μF
minimum capacity is obtained when all are in a series,
∴1cs=1c1+1c2.....+1c10
1cs=15+15+.....+15=105
∴cs=12
maximum capacity is obtained when they are parallety connected
∴ceff=c1+c2+.......+c10
= 5 + 5 + ......+5
cp=10(5)
cp=50
∴ Ratio of min to max capacity,
cscp=0.550=1:100