Question

3. A hemispherical tank is emptied by a pipe at the rate of 11 litres per second. How long will it
22
take to half empty the tank if it is 1.4 m in diameter. (Take a =
7
22 )​

Answer 1

Answer:

Drains had to be dug, roads laid, buildings constructed, and cities cleaned. This required coolies, diggers, carriers, bricklayers, sewage cleaners, sweepers, palanquin bearers and rickshaw pullers. This opened new opportunities for people who came from castes that were regarded as “low”.

Answer 2

Step-by-step explanation:

hope it is helpful

mark me as brainlist