Table shows the number of persons in six cities A to F in 2020, with the male:female and literate:illiterate ratios.
| City | Persons | M:F | Literate:Illiterate |
|---|---|---|---|
| A | 500000 | 3:2 | 1:4 |
| B | 360000 | 4:6 | 4:1 |
| C | 280000 | 3:4 | 2:5 |
| D | 450000 | 5:4 | 3:2 |
| E | 500000 | 2:3 | 2:3 |
| F | 300000 | 2:1 | 7:3 |
The number of illiterates is more than one lakh in
AAll the six cities
BExactly three cities
CExactly four cities ✓ Correct
DExactly two cities
Correct answer: (C) Exactly four cities
Explanation
The illiterates exceed one lakh in exactly four cities, so the answer is exactly four cities.
City A has 4,00,000 illiterates and City C has 2,00,000, both above one lakh.
City D has 1,80,000 illiterates and City E has 3,00,000, both above one lakh.
So these four cities each have more than one lakh illiterates.
City B has only 72,000 illiterates, which is below one lakh.
City F has only 90,000 illiterates, which is below one lakh.
So exactly four cities have more than one lakh illiterates.
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