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UGC-NET-Paper1

Data Interpretation

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Read the Question carefully and choose the correct option.
If the number of Kidney patients in South America decreases by 25%, then what is the percent decrease in the number of Kidney patients in the world ?

1. 4%
2. 8%
3. 10%
4. 5%

यदि दक्षिणी अमरीका में वृक्क रोगियों की संख्या में 25% कमी होती है, तो विश्व में कुल वृक्क रोगियों की संख्या में कितने प्रतिशत कमी आएगी?

1. 4%
2. 8%
3. 10%
4. 5%
This Question came in
UGC-NET-Paper1-18-June-2024-Shift-2-Q1
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Detailed Explanation & Answer
Given,
Total population = 800 crore
Total Patients (10%) = 800 x 10 / 100 = 80 crore

As per Table I,
Total kidney patients (30%) = 80 x 30 / 100 = 24 crore

As per Table II,
Total kidney patients in South America (40%) = 24 x 40 / 100 = 9.6 crore

The question says the number of kidney patients in South America has decreased by 25%
Which is, 9.6 x 25 / 100 = 2.4 crore

Now, we have to find out how much percent 2.4 crore is of 24 crore
=> 2.4 x 100 / 24 = 10%
दिया गया,
कुल जनसंख्या = 800 करोड़
कुल मरीज़ (10%) = 800 x 10 / 100 = 80 करोड़

तालिका I के अनुसार,
कुल किडनी रोगी (30%) = 80 x 30/100 = 24 करोड़

तालिका II के अनुसार,
दक्षिण अमेरिका में कुल किडनी रोगी (40%) = 24 x 40 / 100 = 9.6 करोड़

प्रश्न में कहा गया है कि दक्षिण अमेरिका में किडनी रोगियों की संख्या में 25% की कमी आई है
यानी, 9.6 x 25/100 = 2.4 करोड़

अब हमें यह पता लगाना है कि 2.4 करोड़, 24 करोड़ का कितना प्रतिशत है
=> 2.4 x 100/24 ​​= 10%
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