A vessel is full of 114 ltr. milk, 19 l tr. milk is taken out and replaced by water and again this process is repeated three times. Find the amount of milk left after fourth replacement? (Approx.)
(a) 31.61 ltr.
(b) 49.68 ltr.
(c) 54.97 ltr.
(d) 62.31 ltr.
Sol:
a = 114 ltr.
b = 19 ltr.
n = 4
