A hemispherical dome is open from its base and is made of iron. Thickness of dome is 3.5 meter. Total cost of painting domes outer curved surface is Rs. 2464. If the rate of painting is Rs. 8 per meter2, then what is the volume (in meter3) of iron used in making dome?
1
656.42
2
614.21
3
524.46
4
628.83