We have,
Volume of cylinder = 1650 cm3
Curved surface area = 660 cm2
Volume of cylinder/curved surface area = 1650/660
πr2h/ 2πrh = 1650/660
r/ 2 = 5/2
r = 5cm
Surface area = 660 cm2
2πrh = 660
2 × 22/7 × 5 × h = 660
h = 660×7 / 2×22×5
= 4620/220
= 21cm
∴ Radius = 5cm and height = 21cm