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 ? 

Direction : The table given below represents number of bikes of five different brands sold from 2001- 2005, with the help of data given in the table, answer the following questions.

The sales of Yamaha increased from 2001 to 2005 by what percentage?

The diameter of a circle is 112 cm. What is the circumference of this circle? [use $$π={22\over 7}$$]

If the difference between the compound and simple interest on a certain sum of money for 3 years at 5 % per annum is Rs. 15.25, then the sum is 

If $$p×q=p+q+{p\over q}$$, the value of 8 × 2  is : 

P can do a piece of work in 60 days & Q can do the same work in 50 days. Find the ratio of working efficiencies of P to Q.

The length of a rectangle is increased by 60% then by how much % should the breadth be reduced so that its area does not change?

Express 15625 as a power of 5?