The internal and external diameters of a hollow hemispherical vessel are $24 c m$ and $25 c m$ , respectively. The cost to paint $1 {c m}^{2}$ surface is $R s . 0.05$ . Find the total cost to paint the vessel all over. (use $π = \frac{22}{7}$ )

Question

The internal and external diameters of a hollow hemispherical vessel are

24 c m

and

25 c m

, respectively. The cost to paint

1 {c m}^{2}

surface is

R s . 0.05

. Find the total cost to paint the vessel all over. (use

π = \frac{22}{7}

)

Toppr Admin · Accepted Answer

The internal and external diameters of a hollow hemispherical vessel are 21 cm and 25.2 cm respectively. The cost of painting 1 cm2 of the surface is 10 paise. Find the total cost to paint the vessel all over.