If $x$ and $y$ are inversely proportional, find the values of $x_1, x_2, y_1$ and $y_2$, the table given below.

$x$	$8$	$x_1$	$4$	$16$	$x_2$
$y$	$12$	$16$	$y_1$	$y_2$	$48$

The following table shows the donations given by three National parties to a campaign namely ‘Clean India, green India'.

Draw a bar graph to represent the above information and answer the following questions.

Write the total amount in standard form.

The following table shows the donations given by three National parties to a campaign namely ‘Clean India, green India’.

Draw a bar graph to represent the above information and answer the following questions.

Which party give the highest amount and by what percent it give more than the other parties?

The following table shows the donations given by three National parties to a campaign namely ‘Clean India, green India’.

Draw a bar graph to represent the above information and answer the following questions.

What is the message behind this campaign and what type of value depicted by parties?