A school canteen made a profit of \(\text{RM }50 \,000\) in the year \(2\,017\) and \(\text{RM }78 \,000\) in the year \(2\,019\).
Calculate the index number to show the change in profit for the school canteen in the year \(2\,019\) based on the year \(2\,017\).
\(156\)
The index of road accident of a certain town in the year \(2 \,000\) based on the year \(2 \,014\) was \(80\).
If the number of road accidents occurred in the year \(2 \,014\) was \(500\), find the number of road accidents occurred in the year \(2 \,000\).
\(400\)
The price indices of a car in the year \(2\, 018\) based on the year \(2\,009\) and \(2\,014\) were \(160\) and \(135\) respectively.
Find the price index of the car in the year \(2\,014\) based on the year \(2\,009\).
\(128. 52\)
Price indices for a certain electric product in the year \(2 \,005\) and \(2 \,007\) based on the year \(2 \,001\) were \(126\) and \(135\) respectively.
Calculate the price indices in the year \(2 \,005\) if the year \(2 \,007\) is used as base year.
\(83.33\)
Find the values of \(x\) and \(y\).
\(\begin{aligned} x&=304.35 \\\\ y&=149.5 \end{aligned}\)
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