Interactive practice questions
The graph given shows the median house prices per quarter for the four years to September $20$20$13$13.
Has the median house price been increasing on average over the four years to September $20$20$13$13?
No
Yes
The range of prices over the four year period is approximately:
$\$400000$$400000
$\$200000$$200000
$\$100000$$100000
$\$300000$$300000
The three highest median house prices occurred in the months of:
June '$13$13, June '$12$12 and June '$11$11
June '$13$13, June '$12$12 and December '$10$10
June '$13$13, September '$13$13 and June '$12$12
The graph given shows monthly rainfall data for Berlin and London.
A kitchen sink starts with $20$20 L of water. It empties at a rate of $4$4 L per minute and then the drain gets blocked. No water empties for $2$2 more minutes while it gets unblocked. Then the remaining water is drained out in $1$1 minute.
Which of the following graphs represents this scenario?
A tank is being filled at a constant rate of $4$4 L per second for $4$4 minutes. The hose is then turned off for $2$2 minutes. Finally it is topped up again with water at a rate of $3$3 L per second for $1$1 minute.
Which of the following graphs represents this scenario?