The given pie chart shows the percentage of students enrolled for the courses A, B, C, D and E in a university and the table shows the percentage of students that passed, out of the enrolled students.
Total Students=60,000

How many students passed in Course B?

Ram sold an article for Rs 380 at some profit. Had he sold it for Rs 300, then there would have been a loss equal to one-third at the initial point. What was the cost price of the article? 

Two numbers are respectively 30% and 40% less than a third number. What percent is the first number of the second?

S is 20% more than T. T is 10% less than U. What is the ratio of S to ?

What will be the compound interest of 3 years at the rate of 5 % of 1000 rupees?

If the volumes of two cubes are in the ratio 27 : 64 and then the ratio of their total surface area is 

The ratio of Volume of two spheres A and B is 8 : 1. The Surface Area of Sphere B is 616 cm². Find the radius of sphere A.

The ratio of the income of A to that of B is 5 : 7. A and B save Rs.4,000 and Rs.5,000 respectively. If the expenditure of A is equal to $$ {66 {2\over 3}}{\%}$$ of the expenditure of B, then the total income of A and B is: