RBI Assistant Prelims 2016 Sitting 4 Paper

Initial quantity of milk = 3x litres
Initial quantity of water = x litres
According to the question,
In

24

25

×4x litres of mixture
Quantity of milk =

96

25

x×

3

4

=

72

25

x‌litres
Quantity of water =

24

25

x‌litres
On adding 24 litres of water,

72

25

x=(

24

25

x+24)×2
⇒

36

25

x−

24

25

x=24
⇒

12

25

x=24
⇒x=

24×25

12

=50
Initial quantity of mixture = 4x = 4 × 50 = 200 litres