Question : The table given below shows the production of bikes and trucks by five companies.
| Production | ||
| Companies | Bike | Truck |
| A | 300 | 200 |
| B | 175 | 100 |
| C | 200 | 50 |
| D | 75 | 250 |
| E | 100 | 275 |
J1 = The average production of bikes by all the 5 companies.
J2 = The average production of trucks by all the 5 companies.
What is the value of J1 : J2?
Option 1: 35 : 34
Option 2: 37 : 33
Option 3: 34 : 35
Option 4: 31 : 37
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Correct Answer: 34 : 35
Solution :
Given: Total companies = 5
J1 = The average production of bikes by all the 5 companies.
Total production = 300 + 175 + 200 + 75 + 100 = 850
Average of J1 $=\frac{\text{Total production}}{\text{Total number of companies}}=\frac{850}{5}=170$
J2 = The average production of trucks by all the 5 companies.
Total production = 200 + 100 + 50 + 250 + 275 = 875
Average of J2 $=\frac{\text{Total production}}{\text{Total number of companies}}=\frac{875}{5}=175$
The value of J1 : J2 = 170 : 175 = 34 : 35
Hence, the correct answer is 34 : 35.
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