সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
A train 360 m long is running at a speed of 45 km/hour. In what time will pass a bridge 140 m long?
A train 360 m long is running at a speed of 45 km/hour. In what time will pass a bridge 140 m long?
- ক. 40 seconds
- খ. 42 seconds
- গ. 45 seconds
- ঘ. 48 seconds
সঠিক উত্তরঃ 40 seconds
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