In the given figure, a circle is placed in a rectangle with another rectangle of dimension 10 cm × 5 cm whose one vertex coincides with vertex of bigger rectangle and opposite vertex lies on circumference of circle. Find the radius of circle.

In the given filed the area under triangular shape is

6 carpenters make 96 windows in 16 days. If 8 carpenters work for 4 days how many windows will they make?

If 72 men can build a wall of 280 m length in 21 days, how many men could take 18 days to build a similar type of wall of length 100 m? 

One angle of pentagon is 140°. If the remaining angles are in the ratio 1 : 2: 3: 4, the size of the greatest angle is:

A tank of 30 meter long, 20metre wide and 12 meter deep is dug in a rectangular field of length 588 meter and breadth 50 meter. The earth sand so dug out is spread evenly on the remaining part of the field. The height of the field raised by it 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?

Which of the following fractions is greater than $$ {3\over 4}$$  and less than $$ {5\over 6}$$?