allery150 मी लांब गाडी वराक 54 किमी. खांबो पास करपाक लागपी वेळ असो:
A10 सेकंद
B8 सेकंद
C12 सेकंद
D15 सेकंद
Answer & Solution
Correct answer: A. 10 सेकंद
1. खांबो वचपाखातीर गाडयेन आपली लांबाय 150 मी. 2. 5/18 गुणाकार करून गतीचें रुपांतर दर सेकंदाक मीटरांत करचें. 3. 54 x 5 / 18 = 15 मीटर दर सेकंदाक. 4. वेळ 150 / 15 = 10 सेकंद आसता. 5. रुपांतर विसरून 150 च्या 54 च्या भागान सुमार 2.8 सेकंद मेळटले, जी सदची स्लिप. _स्रोत: अभ्यासक्रम गणित, अध्याय 11 'प्रत्यक्ष आनी उलट प्रमाण', S11.3 उलट प्रमाण_
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