In the given figure, two squares shown in the figure have the arm of 12 cm and 8 cm. then find out the area of shaded part?

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 

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: 

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?

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: