allery54 km/h ની ઝડપે જતી 180 m લાંબી એક ટ્રેન તે જ દિશામાં 18 km/h ની ઝડપે દોડતા એક જોગરને ઓવરટેક કરે છે. જોગરને પાર કરવામાં કેટલો સમય લાગશે?
A15 સેકન્ડ
B18 સેકન્ડ
C12 સેકન્ડ
D20 સેકન્ડ
Answer & Solution
Correct answer: B. 18 સેકન્ડ
સાપેક્ષ ઝડપ 36 km/h = 10 m/s, અને 180 / 10 = 18 સેકન્ડ.
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