Directions: The line graph shows the number of work visas issued by a country in each year from 2011 to 2016. Study the diagram and answer the following questions . 

Number of work visas issued were more than those issued in the previous years in how many years ? 

Directions: The line graph shows the number of work visas issued by a country in each year from 2011 to 2016. Study the diagram and answer the following questions . 

If 10 % of people who are issued work visas do not use the visas , then how many people from 2011 to 2016 have used the visas ? 

Directions: The line graph shows the number of work visas issued by a country in each year from 2011 to 2016. Study the diagram and answer the following questions . 

What is the total number of visas issued from 2012 to 2015 ? 

If the sum of the interior angles of a regular polygon be 1080 °, the number of sides of the polygon is 

The number of sides in two regular polygons are in the ratio of 5 : 4. The difference between their Interior angles of the polygon is 6⁰ . Then the number of sides are 

Sum of 5 times of a fraction and 4 times its reciprocal is 9. What is fraction?

If a-b=10 and ab=-21, then what is the value of a³-b³?

The length of the diagonal of a square is 'a' cm. Which of the following represents the area of the square (in sq. cm)?