Directions: The following graph gives Sales, Expense and Capital of a company for a period of five years 1994 to 1998. Read the graph and answer the following questions.

 In which year was the ratio of sales to capital the lowest?

If tan A=n tan B and Sin A= m Sin B, then the value of Cos²A is

If $$ {x^{2}+3{x}+1=0}$$, then the value of $$ {x^{3}+{1\over {x^{3}}}}$$

What is the difference between compound interest and simple interest on Rs. 2500 for 2 years at 4% per annum?

How much percent above the cost price should a shopkeeper mark his goods so as to earn a profit of 32% after allowing a discount of 12% on the marked price? 

The number will be, whose square is equal to the difference between the squares of 975 and 585, is:

Atul divides some money among his three children A, B and C. The ratio of amount received by A and C together to the amount received by B is 5:2. C received 150% of the amount received by A. If the amount received by C is Rs. 1500. Find the sum of amount received by A and B together. 

Directions: Find the wrong number in the following number series:

0.5, 2, 1, 4, 32, 512, 16384