Quantitative Aptitude - Arithmetic Ability Questions

614% of 1600 + 1212% of 800 is equal to

Point P is the midpoint of segment AB. Co-ordinates of P are (5,-4) and A are (7,0). What will be the co-ordinates of point B?

What number should be added to each of the numbers 55, 100, 65 and 116, so that the resulting numbers are in continued proportion?

The third proportional of two numbers 12 and 48 is

50 litre mixture of water and alcohol contains 10% alcohol. How much more alcohol must be added to make the strength of alcohol 40% in the new mixture?

In a mixture of milk and water, there is 19% milk. If the quantity of milk in the mixture is 437 mililitres, then what is the total quantity (in millilitres) of mixture?

Sum of three consecutive integers is 51 . The middle one is:

A can do a work in 12 days and B in 24 days. If they work on it together for 4 days, then what fraction of work is left?