Question

A hemispherical bowl of internal diameter 36 cm is full of water the water is to be filled into cylindrical bottles of radius 3cm and hieght 9 cm how many bottles are required?

Answer 1

Volume of hemispherical= N volume of cylindrical
$(2 \div 3) \times \pi \times 18 \times 18 \times 18 = n \times \pi3 \times 3 \times 9 \\ n = 48$