The following table shows the number of people (in lakhs) living in five different cities A–E along with the ratio of number of people in three different age groups I, II and III among them. People are classified in three age groups as Group-I: 0 to less than 21 years; Group-II: 21 to less than 41 years and Group-III: 41 years and above. Based on the data in the table, answer the questions that follow.
निम्नलिखित तालिका पाँच भिन्न शहरों A–E में रहने वाले लोगों की संख्या (लाख में) तथा उनमें तीन भिन्न आयु-वर्गों I, II और III के लोगों की संख्या का अनुपात दर्शाती है। लोगों को तीन आयु-वर्गों में वर्गीकृत किया गया है — वर्ग-I: 0 से 21 वर्ष से कम; वर्ग-II: 21 से 41 वर्ष से कम तथा वर्ग-III: 41 वर्ष और उससे अधिक। तालिका के आँकड़ों के आधार पर नीचे दिए गए प्रश्नों के उत्तर दीजिए।
What is the ratio of the number of people of age group-I of city A and D together to the number of people of age group-I of city C and E together?शहर A और D को मिलाकर आयु-वर्ग I के लोगों की संख्या का, शहर C और E को मिलाकर आयु-वर्ग I के लोगों की संख्या से अनुपात क्या है?
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Correct answer: B. 1:1
Explanation
Group-I: A = 14.4 × 1/6 = 2.4, D = 12.8 × 3/8 = 4.8, C = 19.2 × 1/4 = 4.8, E = 12 × 1/5 = 2.4 lakh. (A + D) : (C + E) = 7.2 : 7.2 = 1:1.वर्ग-I: A = 14.4 × 1/6 = 2.4, D = 12.8 × 3/8 = 4.8, C = 19.2 × 1/4 = 4.8, E = 12 × 1/5 = 2.4 लाख। (A + D) : (C + E) = 7.2 : 7.2 = 1:1।More Data Interpretation questions
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