exam Maths Puzzle Numerical Ability

Can someone please help me with problem?

These data represent the population of a certain geographic region.
Year Population (in millions)
1950 34
1960 38
1970 43
1980

Read Solution (Total 0)

exam Other Question

Find two consecutive odd integers that the sum of whose squares is 130
(if there are 2 answers pls give both)
I have to simplify this expression: (2a^2/3b^4)^-3. My answer is 1/2a/3b^2. Is this correct?