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in Mathematics by (38.1k points)

दो ट्रेनों की गति के बीच का अनुपात 7:8 है। यदि दूसरी ट्रेन 4 घंटे में 400 कि० मी० चलती है, तो पहली ट्रेन की गति है

(A) 82.5 कि० मी०/घंटा

(B) 87.5 कि० मी०/घंटा

(C) 92.5 कि० मी०/घंटा

(D) उपर्युक्त में से एक से अधिक

(E) उपर्युक्त में से कोई नहीं

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by (38.0k points)

सही विकल्प है (B) 87.5 कि० मी०/घंटा

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