Question
A train $270$ m long crosses an electric pole in $18$ seconds. Find its speed in km/h. / $270$ m लंबी एक रेलगाड़ी एक बिजली के खंभे को $18$ सेकंड में पार करती है। उसकी गति km/h में ज्ञात कीजिए।
Option 1 : $54$ km/h / $54$ km/h
Detailed Solution
सही उत्तर $54$ km/h / $54$ km/h है।
Speed = $270 / 18 = 15$ m/s = $15 × 18/5 = 54$ km/h. / गति = $270 / 18 = 15$ m/s = $15 × 18/5 = 54$ km/h।
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prepsnap.in • Numerical AbilityQuestion:
A train $270$ m long crosses an electric pole in $18$ seconds. Find its speed in km/h. / $270$ m लंबी एक रेलगाड़ी एक बिजली के खंभे को $18$ सेकंड में पार करती है। उसकी गति km/h में ज्ञात कीजिए।
Correct Answer: $54$ km/h / $54$ km/h
Speed = $270 / 18 = 15$ m/s = $15 × 18/5 = 54$ km/h. / गति = $270 / 18 = 15$ m/s = $15 × 18/5 = 54$ km/h।