alleryટ્રેનો 180 m અને 220 m લાંબી 54 અને 36 km/h પર વિરુદ્ધ ગતિ કરે છે. સંપૂર્ણપણે પાર કરવાનો સમય?
A12 s
B20 s
C16 s
D25 s
Answer & Solution
Correct answer: C. 16 s
તેઓ 90 km/h = 25 m/s ની સંબંધિત ઝડપે 400 m આવરી લે છે, જેમાં 16 સેકન્ડની જરૂર પડે છે.
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