alleryगाडयेची गती 5 किमी/तास वाडयल्यार तिका 60 किमी मार्ग 1 तास बेगीन सोंपपाक मेळटा. ताची मूळ गती कितली आशिल्ली?
A12 km/h
B15 km/h
C10 km/h
D20 km/h
Answer & Solution
Correct answer: B. 15 km/h
60/s - 60/(s+5) = 1 s(s+5) = 300 दिता, देखून s = 15 किमी/तास.
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