allery5 ಕಿಮೀ/ಗಂಟೆಗೆ ನಡೆಯುವ ಹುಡುಗ 6 ನಿಮಿಷ ತಡವಾಗಿ ಬರುತ್ತಾನೆ, ಆದರೆ 6 ಕಿಮೀ/ಗಂಟೆಗೆ ನಡೆಯುವ ಹುಡುಗ 6 ನಿಮಿಷ ಮೊದಲೇ ಬರುತ್ತಾನೆ. ಅವನ ಗಮ್ಯಸ್ಥಾನ ಎಷ್ಟು ದೂರದಲ್ಲಿದೆ?
A4 km
B6 km
C8 km
D5 km
Answer & Solution
Correct answer: B. 6 km
d/5 - d/6 = 12 ನಿಮಿಷ = 0.2 h d/30 = 0.2 ನೀಡುತ್ತದೆ, ಆದ್ದರಿಂದ d = 6 ಕಿ.ಮೀ.
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