The bar graph shows the population density of 6 countries. Study the diagram & answer the question below.

Population density of country E is greater than population density of country D by:

The bar graph shows the population density of 6 countries. Study the diagram & answer the question below.

What is the difference in the average number of people living per 1,000 sq km in countries E and F?

The bar graph shows the population density of 6 countries. Study the diagram & answer the question below.

What is the ratio of the population densities of country C to country D?

If Sin θ = 12/13, then what is the value of Cot θ?

∆ABC is right angled at B. If m∠A = 30°., then Sec C =?

What is the value of Sin 30° + Cos 30°?

$$\begin{gathered} ∆ABC is similar to ∆PQR. If ratio of perimeters of ∆ABC and ∆PQR is 1:2 and \\ if PQ = 10 cm then what is the length of AB (in cm)? \end{gathered}$$

What is the slope of the line perpendicular to the line passing through the points (-2, 3) and (2, 0)?