CDS Model Paper 3 Mathematics

In first container,
Quantity of milk =20×

90

100

=18L
Quantity of water =2L
In second container,
Quantity of milk =5×

80

100

=4L
Quantity of water = 1L
In third container,
Quantity of milk =9×

70

100

=6.3L
Quantity of water =2.7L
After mixing :
total milk =18+4+6.3=28.3L
total water =2+1+2.7=5.7L
Ratio milk and water after
mixing =28.3L:5.7L=5:1 (approx)