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পিডিএফ এর থেকেও মাস্টার প্রশ্ন ব্যাংক & Poll Master এ রয়েছে বিশেষ সুবিধা

There are two stations of length 162 meters and 120 meters respectively . A train takes 15 seconds to pass first station and 18 seconds to pass another station . Determine the length of the train ?

There are two stations of length 162 meters and 120 meters respectively . A train takes 15 seconds to pass first station and 18 seconds to pass another station . Determine the length of the train ?

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