Question

Two hemispherical tank are made of same
material. They cost Rs. 9000 and Rs. 4000
which are proportional to the area of sheet
me talused is the second tank can hold 800
litres the capacity of the first tank in litres is-
(a) 1200
(b) 1800
(c) 2700
(d) 3000
​

Answer 1

capacity of the first tank is 18oo litre