Wipro Company Numerical Ability Ratio and Proportion

One milk can contains a mixture of milk and water in the ratio 7:5 and the other contains the mixture of milk and water in which 2/5th is water. Compare their purity.
A. 36 : 35
B. 35 : 36
C. 10 : 7
D. 5 : 3
E. 9 : 11

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Wipro Other Question

One vessel contains a mixture of 5 parts pure wine and 3 parts soda, whereas the other vessel contains a mixture of 9 parts pure wine and 5 parts soda. Compare the strength of the wine.
A. 7 : 4
B. 7 : 8
C. 35 : 36
D. 14 : 5
E. None of these
A woman sold 100 oranges at $12.10, some at the rate of 3 for 35 cents and the rest at 7 for 85 cents. How many were sold at the first rate?
A. 45
B. 21
C. 15
D. 9
E. 12