The pie chart below represents the annual production of agricultural products of a place. If the production of sugar is $4000$ tonnes, the combined production of rice and wheat is:

The bar chart given below shows the modes of transport available in a city. The ratio of persons going by bus and by scooter is:

In the graph given below the values of $y$ corresponding to $x = 1, 2, 3, 4$ and $6.5$ are:

In the graph given below, sugar production of a country during certain years has been shown. If per year consumption of sugar in the country is $50$ thousand tonnes. Select from the given alternatives the years during which the country had to import sugar from foreign countries.