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 the entire trip?

A 18
B 24
C 36
D 45

Correct Answer: 24

লোকটি  প্রথম 2 ঘণ্টা অতিক্রম করে = 30 ×  2 = 60 মাইল ∴ Average  speed = মোট দূরত্ব / মোট সময় = ( 60 + 60)/(2 + 3) = 120/5 = 24 mph
Bissoy MCQ
#গণিত #গড় (Average) #Combined Bank (সমন্বিত ব্যাংক) #সমন্বিত ৮ ব্যাংক | অফিসার | 21-01-2022

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