Quantitative Aptitude - Arithmetic Ability Questions

The ratio of number of cans of orange, pineapple and mixed fruit juices kept in a store is 8 : 9 : 15. If the store sells 25%, 33.33% and 20% of orange, pineapple and mixed fruit juices cans respectively, then what is the ratio of number of cans of these juices in the remaining stock?

A labourer can do a job in 50 hours. After 5 hours he takes a break. What fraction of the job is yet to be done?

If 3P/5 = 7Q/2 = 7R/5, then what is the ratio of p, Q and R respectively?

For x > 0, what is the minimum value of  x + x+22x?

A profit of Rs. 960 is divided between A and B in the ratio 1/3:1/2. The difference of their profit is :

If the average age of 20 students in Class-I is 10 years and average age of 25 students in Class II is 12 years, find the average age (in years) of all students.

If m+n=1, then the value of m3+n3+3mnis equal to

Radius of base of a hollow cone is 8 cm and its height is 15 cm. A sphere of largest radius is put inside the cone. What is the ratio of radius of base of cone to the radius of sphere?