alleryಸ್ಥಿರ ನೀರಿನ ವೇಗದ 8 ಕಿಮೀ/ಗಂಟೆಯ ದೋಣಿಯು 30 ಕಿಮೀ ವೇಗದಲ್ಲಿ 2 ಕಿಮೀ/ಗಂಟೆಯ ಪ್ರವಾಹದೊಂದಿಗೆ ಚಲಿಸುತ್ತದೆ. ಕೆಳಮುಖ ಪ್ರಯಾಣ ಎಷ್ಟು ಸಮಯ?
A2 ಗಂಟೆಗಳು
B5 ಗಂಟೆಗಳು
C3 ಗಂಟೆಗಳು
D4 ಗಂಟೆಗಳು
Answer & Solution
Correct answer: C. 3 ಗಂಟೆಗಳು
ಕೆಳಮುಖ ಚಲನೆಯ ವೇಗ ಗಂಟೆಗೆ 10 ಕಿಮೀ, ಆದ್ದರಿಂದ 30 / 10 = 3 ಗಂಟೆಗಳು.
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