Quantitative Aptitude - Arithmetic Ability Questions

The cash difference between the selling price of an article at a profit of 2% and 16% is Rs.3. The ratio of two selling prices is

15 years ago, Shyam was twice as old as Prbhat. Five years from now Prabhat's age will be 5/8 of Shyam's age. What is Shyam's current age?

When a number is divided by 56, the remainder will be 29. If the same number is divided by 8, then the remainder will be

The ratio of angles of a triangle are 1 : 2/3 : 3. Then the smallest angle is

In a triangle ABC, AB = 8 cm, AC = 10 cm and ∠B = 90°, then the area of ΔABC is

Pipes A, B and C are attached to an empty cistern. While the first two can fill the cistern in 4 and 10 hrs, respectively, the third can drain the cistern, when filled, in 6 hrs. If all the three pipes are opened simultaneously when the cistern is half-full, how many hours will be needed to fill the cistern?

If the radius of the cylinder is decreased by 20%, then by how much percent the height must be increased, so that the volume of the cylinder remains same?

A cone of height 12 cm and diameter 10 cm is mounted on a hemisphere of the same diameter. What is the volume of the solid thus formed?