Subject
Quantitative Aptitude
Topic
Clock
A car going 40 miles per hour set out on an 80 miles trip at 9.00 A.M. Exactly 10 minutes later, a second car left from the same place and followed the same route. How fast in miles per hour, was the second car going if it caught up with the first car at 10.30 A.M.?
A car going 40 miles per hour set out on an 80 miles trip at 9.00 A.M. Exactly 10 minutes later, a second car left from the same place and followed the same route. How fast in miles per hour, was the second car going if it caught up with the first car at 10.30 A.M.?
ক)
45খ)
50গ)
53ঘ)
55Explanation
9:00 AM to 10:30 AM = 90 মিনিট 9:10 AM to 10:30 AM = 80 মিনিট প্রথম গাড়িটি 60 মিনিটে যায় 40 মাইল প্রথম গাড়িটি 90 মিনিটে যায় (40*90)/60= 60 মাইল দ্বিতীয় গাড়িটি 80 মিনিটে যায় 60 মাইল দ্বিতীয় গাড়িটি 60 মিনিটে যায় (60*60)/80= 45 মাইলRelated questions
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