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A study was made for the number of perso...

A study was made for the number of persons of different age groups visited in a library in a week which is shown in the histogram. Study the histogram and answer the questions given below. What percentage of the total number of persons visiting the library in the week was the number of persons of age group 25-30 years?
एक सप्ताह में एक पुस्तकालय में जाने वाले विभिन्न आयु समूहों के व्यक्तियों की संख्या के लिए एक अध्ययन किया गया था जो हिस्टोग्राम में दिखाया गया है। हिस्टोग्राम का अध्ययन करें और नीचे दिए गए प्रश्नों के उत्तर दें

सप्ताह में पुस्तकालय जाने वाले व्यक्तियों की कुल संख्या का कितना प्रतिशत 25-30 वर्ष आयु वर्ग के व्यक्तियों की संख्या थी

A

0.12

B

0.15

C

0.125

D

0.105

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