Question : Study the given data and answer the question that follows.
The tables show the number of candidates (in lakhs) appearing in an entrance exam from four different cities and the ratio of candidates passing and failing the same.
| City | A | B | C | D |
| Number of Candidates | 2.15 | 1.14 | 1.56 | 2.35 |
The ratio of candidates passing and failing within the city.
| City | Passing | Failing |
| A | 4 | 2 |
| B | 5 | 3 |
| C | 6 | 4 |
| D | 4 | 6 |
What is the number of failed candidates (in lakhs) in city D?
Option 1: 1.70
Option 2: 1.25
Option 3: 1.85
Option 4: 1.41
Correct Answer: 1.41
Solution :
Total candidates from City D = 2.35 lakhs
The ratio of passing to failing candidates in City D is 4 : 6
One part = $\frac{\text{Total candidates}}{\text{Total parts}}$ = $\frac{2.35}{10}$ = 0.235 lakhs
$\therefore$ Number of failed candidates in City D = 6 × One part = 6 × 0.235 = 1.41
Hence, the correct answer is 1.41.
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