Subject
Bank Exam
Topic
Prabashi Kallyan Bank Ltd Officer Cash - 25.09.2021
Roni can walk a certain distance in 40 days when he rests 9 hours a day. How long will be take to walk twice the distance, twice as fast and rest twice as long each day?
Roni can walk a certain distance in 40 days when he rests 9 hours a day. How long will be take to walk twice the distance, twice as fast and rest twice as long each day?
ক)
35 daysখ)
55 daysগ)
100 daysঘ)
82 daysExplanation
এখানে , ১ম ক্ষেত্রে রনি প্রতিদিন হাটে =24-9=15 ঘণ্টা 2য় " " " " =24-(2×9) " =24-18=6 ঘণ্টা করে মনে করি ,১ম ক্ষেত্রে রনি x কি.মি /ঘণ্টা বেগে হাটে ২য় " " ২x " " " " এখন , রনি x কি.মি /ঘণ্টা বেগে প্রতিদিন 15 ঘণ্টায় 1 অংশ হাটে 40 দিনে " 1 " " " " 1 " 1 " "40×x×15 " 2x " " " " 1 " 1 " " (40×x×15 /২x) " " 2x " " " " 1 " 1 " " (40×x×15 /২x×6) " " 2x " " " " 1 " 1 " " (40×x×15×2 /২x×6) " =100 দিনেRelated questions
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