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What is the ratio of the number of patients in Africa to the total number of…

Paper 1 · Data Interpretation UGC NET June 2024 Cancelled (18.06.2024) Shift-II
Passage
Table I shows the disease-wise percentage distribution of patients of various diseases in the world: Heart Disease 22 percent, AIDS 10 percent, TB 8 percent, Hepatitis 6 percent, Kidney Disease 30 percent and Others 24 percent. Table II shows the continent-wise percentage distribution of all patients and of kidney patients across Europe, Australia, South America, Africa, North America and Asia. The share of all patients is Europe 10, Australia 6, South America 15, Africa 25, North America 12 and Asia 32 percent. The share of kidney patients is Europe 10, Australia 5, South America 40, Africa 10, North America 15 and Asia 20 percent. The total population of the world in 2023 is 800 crore and 10 percent of them are patients. Based on the data in the tables, answer the questions that follow.
What is the ratio of the number of patients in Africa to the total number of kidney patients in Asia and North America together?
A3 : 1
B2 : 1
C49 : 22
D50 : 21 ✓ Correct
Correct answer: (D) 50 : 21 — The ratio is 50 to 21, so that is the answer.
Explanation
The ratio is 50 to 21, so that is the answer.
There are 80 crore patients, and Africa has 25 percent, which is 20 crore.
Kidney patients in the world are 24 crore.
Asia has 20 percent of them, which is 4.8 crore.
North America has 15 percent, which is 3.6 crore, giving 8.4 crore together.
The ratio of 20 crore to 8.4 crore simplifies to 50 to 21.

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