alleryতেওঁৰ স্বাভাৱিক দ্ৰুতিৰ তিনি-চতুৰ্থাংশ গতিত খোজ কাঢ়ি এজন মানুহ কাৰ্যালয় 20 minutes পলমকৈ পায়। তেওঁৰ স্বাভাৱিক সময় কিমান?
A45 minutes
B80 minutes
C60 minutes
D40 minutes
Answer & Solution
Correct answer: C. 60 minutes
সময় স্বাভাৱিক সময়ৰ 4/3 অংশলৈ বৃদ্ধি পায়, গতিকে স্বাভাৱিক সময়ৰ এক-তৃতীয়াংশ হ'ল 20 min আৰু স্বাভাৱিক সময় হ'ল 60 min।
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