allery180 किमीच्या प्रवासाला 3.5 तास लागतात: 60 किमी 30 किमी/ता, 60 किमी 60 किमी/ता. शेवटचा वेग?
A150 km/h
B120 km/h
C90 km/h
D100 km/h
Answer & Solution
Correct answer: B. 120 km/h
पहिल्या दोन टप्प्यांना 2 + 1 = 3 तास लागतात, 60 ÷ 0.5 = 120 km/h वर 60 km साठी 0.5 तास सोडले जातात.
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