alleryಒಂದು ಬೈಕ್ 40 ಕಿಮೀ/ಗಂ ಮತ್ತು 60 ಕಿಮೀ/ಗಂ ವೇಗದಲ್ಲಿ ಎರಡು ಸಮಾನ ವೇಗಗಳನ್ನು ಕ್ರಮಿಸುತ್ತದೆ. ಎರಡರಲ್ಲೂ ಅದರ ಸರಾಸರಿ ವೇಗ?
A50 km/h
B45 km/h
C48 km/h
D52 km/h
Answer & Solution
Correct answer: C. 48 km/h
ಸಮಾನ ಅಂತರಗಳಿಗೆ ಸರಾಸರಿ 2ab/(a+b) = 2 x 40 x 60 / 100 = 48 ಕಿಮೀ/ಗಂ.
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