Question : The line chart given below shows the sales of two companies J and K in 5 years.
P1 = The difference between the average sales of J in years D and E and the average sales of K in years G and H.
P2 = The value of average sales of K in all years.
What is the value of (P2 – P1)?
Option 1: 520
Option 2: 760
Option 3: 670
Option 4: 610
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Correct Answer: 610
Solution :
Average sales of J in years D and E = $\frac{(400 + 600)}{2} = 500$
Average sales of K in years G and H = $\frac{(400 + 300)}{2} = 350$
P1 = The difference between the average sales of J in years D and E and the average sales of K in years G and H = 500 - 350 = 150
P2= The value of average sales of K in all years = $\frac{(1200 + 900 + 1000 + 400 + 300)}{5} = \frac{3800}{5}=760$
The value of (P2 – P1) = 760 - 150 = 610
Hence, the correct answer is 610.
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