alleryಒಂದು ದೋಣಿಯು ಸ್ಥಿರ ನೀರಿನಲ್ಲಿ 12 ಕಿಮೀ/ಗಂ ವೇಗದಲ್ಲಿ ಚಲಿಸುತ್ತದೆ ಮತ್ತು ಹೊಳೆಯು 3 ಕಿಮೀ/ಗಂ ವೇಗದಲ್ಲಿ ಹರಿಯುತ್ತದೆ. ಅದರ ಕೆಳಮುಖ ವೇಗ ಎಷ್ಟು?
A9 km/h
B15 km/h
C18 km/h
D12 km/h
Answer & Solution
Correct answer: B. 15 km/h
ಪ್ರವಾಹವು ಕೆಳಮುಖವಾಗಿ ಚಲಿಸುವಾಗ ಸಹಾಯ ಮಾಡುತ್ತದೆ, 12 + 3 = 15 ಕಿಮೀ/ಗಂ.
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