Question : The pie chart given below shows the number of televisions sold by 8 different companies. The total number of televisions sold by all these 8 companies is 21000. The number of televisions sold by a particular company is shown as a percentage of the total number of televisions sold by all these 8 companies.
$J_1$ = The value of the average number of televisions sold by P and W.
$J_2$ = The value of the average number of televisions sold by Q, R, S, and V.
What is the value of ($J_2-J_1$)?
Option 1: 5630
Option 2: 2046
Option 3: 1102.5
Option 4: 3260
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Correct Answer: 1102.5
Solution :
$J_1$ = $\frac{10+13}{2}$% of 21000 = 11.5% of 21000 = 2415
$J_2$ = average of Q, R, S, and V = $\frac{17+15+3+32}{4}$% of 21000 = 16.75% of 21000 = 3517.5
$J_2-J_1$ = 3517.5 – 2415 = 1102.5
Hence, the correct answer is 1102.5.
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