Table I shows the disease-wise percentage distribution of patients in the world. Table II shows the continent-wise percentage distribution of all patients and of kidney patients. The total world population in 2023 is 800 crore and 10 percent of them are patients.
| Disease | Percentage |
|---|---|
| Heart Disease | 22 |
| AIDS | 10 |
| TB | 8 |
| Hepatitis | 6 |
| Kidney Disease | 30 |
| Others | 24 |
| Continent | All Patients (%) | Kidney Patients (%) |
|---|---|---|
| Europe | 10 | 10 |
| Australia | 6 | 5 |
| South America | 15 | 40 |
| Africa | 25 | 10 |
| North America | 12 | 15 |
| Asia | 32 | 20 |
The number of kidney patients in Australia is approximately what percentage of the number of patients of heart disease in the world?
A6.01%
B6.82% ✓ Correct
C5.49%
D7.85%
Correct answer: (B) 6.82%
Explanation
The value is about 6.82 percent, so that is the answer.
Kidney patients in the world are 24 crore, and Australia has 5 percent of them.
That is 1.2 crore kidney patients in Australia.
Heart disease patients are 22 percent of 80 crore, which is 17.6 crore.
So we compare 1.2 crore with 17.6 crore.
1.2 out of 17.6 is about 6.82 percent.
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