সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
A train went 300 miles from city X to city Y at an average speed of 100 mph. At what speed did it travel on the way back if its average speed for the whole trip was 120 mph?
A train went 300 miles from city X to city Y at an average speed of 100 mph. At what speed did it travel on the way back if its average speed for the whole trip was 120 mph?
- ক. 120 mph
- খ. 125 mph
- গ. 150 mph
- ঘ. 130 mph
সঠিক উত্তরঃ 150 mph
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- 10 mins after a plane leaves the airport, it is reported to be 40 miles away, what is the average speed in miles per hour of the plane?
- A car passes Dhaka at 9:55 am and Gazipur at 10:15 am. Gazipur is 30 miles from Dhaka. What is the average speed of the car in miles per hour?
- A train travels at an average speed of 50 miles per hour for 2.5 hour and then travels at an average speed of 70 miles per hour for 1.5 hours. How far did the train travel in the entire 4 hour?
- It is 165 miles from Dhaka to Chittagong. If a bus takes 1.5 hrs to travel the first 65 miles, how long must the bus take to travel the final 100 miles in order to average 50 miles/hr during the entire trip?
- A train passes city X at 9.55 am and city Y at 10.15 am. The distance between city X and Y is 45 miles. What is the average speed in miles per hour of the train?
There are no comments yet.