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 ? 

What is the value of ?

What is the value of ½ % in decimals ?

Direction: The bar graph shows revenues in rupees lakhs from selling four different products (A, B, C and D) by a certain company. Study the diagram and answer the following questions.

Revenues from which product were the least in both the years 2015 and 2016?

Direction: what should come in place at question mark(?).

The graphs of the equations 3x + y-5=0 and 2x- y -5=0 intersect at the point P(α,β).  What is the value of (3α + β)?

The largest natural number which exactly divides the product of any four consecutive natural numbers is

If  then find the value of