How many degrees does a minute hand move in 20 minutes?
Solution
Correct Answer: Option D
60 মিনিটে মিনিটের কাঁটা অতিক্রম করে 360⁰
1 " " " " " 360⁰/60
20 " " " " " 360⁰×20/60
=120⁰
1 " " " " " 360⁰/60
20 " " " " " 360⁰×20/60
=120⁰
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