Subject
Bank Exam
Topic
Trust Bank Ltd. - Management Trainee Officer - 2016
A complete cycle of a traffic light takes 80 seconds. During each cycle, the light is green for 40 seconds. Amber for 10 seconds and red for 30 seconds. when a randomly chosen car arrives at the traffic light, what is the probability that the light willnotbe red ?
A complete cycle of a traffic light takes 80 seconds. During each cycle, the light is green for 40 seconds. Amber for 10 seconds and red for 30 seconds. when a randomly chosen car arrives at the traffic light, what is the probability that the light willnotbe red ?
ক)
\(\frac{7}{8}\)খ)
\(\frac{5}{8}\)গ)
\(\frac{4}{8}\)ঘ)
\(\frac{3}{8}\)ঙ)
\(\frac{1}{8}\)Explanation
Solution: অনুবাদঃ একটি Traffic light এর পূর্ণভাবে জ্বলতে 80 সেকেন্ড নেয় । প্রত্যেক Cycle এর সময় সবুজ বাতিটি 40 সেকেন্ড জ্বলে । হলুদ বাতি জ্বলে 10 সেকেন্ড এবং লাল বাতিটি 30 সেকেন্ড জ্বলে । যখন একটি গাড়ি ঐ বাতিটির সামনে আসে তখন ঐ বাতিটির আলো লাল না হবার সম্ভাবনা কত ? Total time = 80 seconds Green light এর সময়কাল = 40 seconds Amber (হলুদ) Light এর সময়কাল =30 seconds Red light এর সময়কাল = 30 seconds Red light না হবার Probability হবে = =Related questions
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