168. rain water in liter

So,
102,789÷0.004=25,687,250 liter......

means, 1 inch varsad pde to 1 square kilometre ma total 25,697,250 liter pani pde..
.
Rajkot no total area 170 square kilometres che. So 1inch varsad ma rajkot ma aavtu pani total 170 × 25,697,250 = =4,368,532,500 liters

Just imagine
1inch varsad pde to rajkot ma 4,368,532,500 liters pani varse

Reference:google, wiki
Calculation by dp😂