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.

What was the average per annum increase in sales (in Rs. Cr.) from 1994 to 1998?

If $$ x=\sqrt{\sqrt{5}+1\over {\sqrt{5}-1}}$$ then the value  of $$ {5x^2-5x-1}$$ will be:

Base of a right pyramid is a square. The length of diagonal of the base is $$ {12\sqrt{2}}$$ cm. If each lateral surface of the pyramid is an equilateral triangle, then its volume (in cu.cm) is

A shopkeeper sold sarees at Rs. 266 each after giving 5 % discount on labelled price. Had he not given the discount, he would have earned a profit of 12 % on the cost price. What was the cost price of each saree? 

An article seller allows a discount of 10% on the marked price. He gets 30% commission from the publisher. What will be his profit percentage?

$$ {3sin60°-4sin^{3}60°=?}$$

A and B can do a work in 12 days, B and C in 15 days, C and A in 20 days. If A, B and C work together, they will complete the work in 

The table given below shows the cost price and selling price of four articles.

What is the average value of loss of all articles?