IBPS RRB Officer Prelims 09 Sep 2017 Shift 2 Paper

(2) Remaining mixture aftergiving 26 litres of it to the firstcustomer = (65 – 26) litres
= 39 litres
Quantity of milk =39×

4

5

= 31.2 litres
Quantity of water
= (39 – 31.2) litres = 7.8 litres
On adding 7 litres of pure milkand 4 litres of water,
Quantity of water
= (7.8 + 4) litres = 11.8 litres
Quantity of resulting mixture
= (39 + 11) litres = 50 litres∴Required per cent
=

11.8

50

×100=23.6%