alleryA आणि B एकच रस्ता अनुक्रमे 45 आणि 30 मिनिटांत पार करतात. त्यांच्या वेगांचे गुणोत्तर आहे:
A3 : 2
B4 : 9
C9 : 4
D2 : 3
Answer & Solution
Correct answer: D. 2 : 3
वेग वेळेच्या व्यस्त प्रमाणात बदलतो, म्हणून A : B = 30 : 45 = 2 : 3.
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