CAT Exam

16 litres of mixture contains milk and water in the ratio 5:3.if 4 litres of this mixture is replaced by 4 litres of milk,the ratio of water to milk in the new mixture will become:

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CAT Other Question

the number obtained by intertchanging the two dogots of a two digit number is less than the original number by 27.if the difference between the two digits of the number is 3.what is the original number? The number of studenis in 3 classes are in the ratio 2 : 3 : 4. If 12 students are increased in each class, this ratio changes to 8 : 11 :14. The total number of students in the three classes in the beginning was