Mathematics · Speed, Time and Distance
72 km/h की चाल से चल रही एक रेलगाड़ी A, समान दिशा में जा रही 200 m लंबी एक अन्य रेलगाड़ी B को 36 सेकंड में पार करती है। यदि रेलगाड़ी A की लंबाई 300 m है, तो रेलगाड़ी B की चाल ज्ञात कीजिए।
- 128 km/h
- 226 km/h
- 324 km/h
- 422 km/h✓
सही उत्तर देखें
22 km/h
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