Wipro Company Numerical Ability Arithmetic

Eight litres are drawn off from a vessel full of water and substituted by pure milk. Again eight litres of the mixture are drawn off and substituted by pure milk.If the vessel now contains water and milk in the ratio 9:40, find the capacity of the vessel.
A. 21 litrers
B. 22 litres
C. 20 litres
D. 14 litres
E. 28 litres

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Wipro Other Question

A speaks the truth in 75% cases whereas B lies in 20% cases. In what percent of cases are they likely to contradict each other narrating the same incident?
A. 45%
B. 35%
C. 40%
D. 30%
E. 50% 5 litres of water is added to a certain quantity of pure milk costing $3 per litre. If, by selling the mixture at the same price as before a profit of 20% is made, what is the amount of pure milk in the mixture?
A. 25 litres
B. 20 litres
C. 18 litres
D. 22 litres
E. None of these