Question : The table given below shows the number of bikes of 5 different types sold by two companies.
| Company | ||
| Bikes | C1 | C2 |
| A | 50 | 80 |
| B | 30 | 40 |
| C | 70 | 90 |
| D | 80 | 110 |
| E | 100 | 140 |
Which of the following statements is correct?
I. The Ratio of the number of bikes A sold by C1 to the number of bikes D sold by C2 is 5 : 11.
II. The average number of bikes A, B, D and E sold by C1 is 75.
Option 1: Neither I nor II
Option 2: Only I
Option 3: Only II
Option 4: Both I and II
Correct Answer: Only I
Solution :
I. Ratio of the number of bikes A sold by C1 to the number of bikes D sold by C2
= 50 : 110
= 5 : 11
II. The average number of bikes A, B, D and E sold by C1
= $\frac{50+30+80+100}{4}$
= $\frac{260}{4}$
= 65
$\therefore$ Only I is correct.
Hence, the correct answer is only I.
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