Quantitative Aptitude - Arithmetic Ability Questions

The ratio of three numbers is 2 : 3 : 5. If the sum of the three numbers is 275, then what is the largest among the three numbers?

What is the third proportional to 9 and 45?

From a point, 40 m apart from the foot of a tower, the angle of elevation of its top is 60°. The height of the tower is

The average age of 6 members of a family is 20 years. If the age of the servant is included, then the average age increase by 25%. What is the age (in years) of the servant?

If the expression px3 – 2x2 – qx + 18 is completely divisible by (x2 – 9), then what is the ratio between p and q respectively?

The base of a parallelogram is twice its height. If the area of the parallelogram is 338 sq.cm. Find its height?

P and Q can do a project in 60 and 30 days respectively. In how many days can they complete 90% of the project if they work together?

Two spheres of equal radius are taken out by cutting from a solid cube of side (12 + 4√3) cm. What is the maximum volume (in cm3) of each sphere?