A man travels for 2 hours at 30 miles an hour and he covers 60 miles in the next 3 hours .What is the average speed per hour for entire trip ?
Solution
Correct Answer: Option B
মোট দূরত্ব (2×30)+60
=60+60
=120 মাইল
মোট সময় =2+3=5 ঘণ্টা
∴ গড়বেগ =120/5=24 মাইল/ ঘণ্টা
=60+60
=120 মাইল
মোট সময় =2+3=5 ঘণ্টা
∴ গড়বেগ =120/5=24 মাইল/ ঘণ্টা
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