Percentage distribution of production of six laptop models A–F in 2019 and 2020. Totals: 35 lakh (2019), 44 lakh (2020).
| Model | 2019 (%) | 2020 (%) |
|---|---|---|
| A | 30 | 40 |
| B | 15 | 20 |
| C | 20 | 15 |
| D | 10 | 10 |
| E | 15 | 10 |
| F | 10 | 5 |
What is the ratio of the number of Model-F laptops produced in 2019 to the number of Model-C laptops produced in 2020?
A33:59
B35:66 ✓ Correct
C37:61
D31:65
Correct answer: (B) 35:66
Explanation
The answer is 35 to 66.
Model-F was 10 percent of 35 lakh in 2019, which is 3.5 lakh.
Model-C was 15 percent of 44 lakh in 2020, which is 6.6 lakh.
So the ratio is 3.5 to 6.6.
Multiplying both by 10 gives 35 to 66.
So the ratio simplifies to 35 to 66.
So the answer is 35 to 66.
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