Question : The table given below shows the production of television and fridges by different companies.
| Companies | Television | Fridge |
| A | 60 | 80 |
| B | 50 | 30 |
| C | 40 | 20 |
| D | 30 | 50 |
| E | 70 | 35 |
J1 = The value of average production of fridges by D and E.
J2 = The total production of television and fridges by all companies.
What is the value of (J2 – J1)?
Option 1: 456.2
Option 2: 314.5
Option 3: 465
Option 4: 422.5
Correct Answer: 422.5
Solution :
J1 = The value of average production of fridges by D and E = $\frac{50+35}{2}=\frac{85}{2}=42.5$
J2 = The total production of television and fridges by all companies
= 60 + 50 + 40 + 30 + 70 + 80 + 30 + 20 + 50 + 35 = 465
$\therefore$ J2 – J1 = 465 – 42.5 = 422.5
Hence, the correct answer is 422.5.
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