Quantitative Aptitude

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Aptitute Questions | Ratio and Proportion
Tuesday, 10 September 2013 22:18

The ratio of students of three classes is 2:3:4. If 12 students are increased in each classes then their ratio turns into 8:11:14. What was the total number of students in all the three classes originally ?

A) 162
B) 108
C) 96
D) 54

View Answer/Solution




Answer
A) 162

 
Tuesday, 10 September 2013 22:15

The ratio of milk and water in 729 litre mixture is 7:2. To obtain a mixture in which the ratio of milk and water is 7:3, what will be the amount of extra water to be added in new mixture?

A) 81 litre
B) 71 litre
C) 56 litre
D) 50 litre

View Answer/Solution




Answer
A) 81 litre

 
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