Quantitative Aptitude - Arithmetic Ability Questions

Two trains start from a certain place on two parallel tracks in the same direction. The speed of the trains are 45 Km/hr and 40 Km/hr respectively. The distance between the two trains after 45 minutes will be

A can do a work in 20 days and B in 10 days. If they work on it together for 5 days, then what fraction of work is left.

A can do a piece of work in 20 days and B in 15 days. With help of C, they finish the work in 5 days. C can alone do the work in

A canteen requires 56 kgs of rice for seven days . The quantity of rice required for the months of April and May together is

A mixture contains spirit and water in the ratio of 3 : 2. If it contains 3 litres more spirit than water, the quantity of spirit in the mixture is

A number is greater than thrice its reciprocal by 26/3. What is the number?

If a - b = 1 and ab = 6, then what is the value of a3- b3?

In the following question, select the odd letters from the given alternatives.