allery6 ಕಿಮೀ/ಗಂಟೆ ವೇಗದಲ್ಲಿ ನಿಧಾನಗೊಂಡ ಟ್ರಕ್, 72 ಕಿಮೀ ಮಾರ್ಗದಲ್ಲಿ 1 ಹೆಚ್ಚುವರಿ ಗಂಟೆ ತೆಗೆದುಕೊಳ್ಳುತ್ತದೆ. ಅದರ ಮೂಲ ವೇಗ ಎಷ್ಟು?
A20 km/h
B24 km/h
C30 km/h
D36 km/h
Answer & Solution
Correct answer: B. 24 km/h
72/(s-6) - 72/s = 1 s(s-6) = 432 ನೀಡುತ್ತದೆ, ಆದ್ದರಿಂದ s = 24 ಕಿಮೀ/ಗಂ.
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