The cost price of an article is Rs. 800. After allowing a discount of 10 %, a gain of 12.5 % is made. Then the marked price of the article is 

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 has been the simple average growth rate per annum of expense between 1994 and 1998?

The angles of elevation of top and bottom of flag kept on a flag post from 30 metres distance, are 45 ° and 30 ° respectively. Height of the flag is [ taking 13 = 1.732) 

The number of pairs of positive integers whose sum is 99 and HCF is 9 is: 

A coconut tree swings with the wind in such a manner that the angle covered by its trunk is 18 degrees. If the topmost portion of the tree covers a distance of 44 metres, find the length of the tree.

If a man estimates his loss as 20% of the selling price, then his loss percent is:

Ram has 5 daughters. The average age of these 5 sisters is 28 years. The youngest one is 16 years old. What was the average age of the 4 daughters before the youngest one was born?

1008 divided by which single-digit number gives a perfect square?