সময়,দূরত্ব ও গতিবেগ
1. Train A, 600 metres long is running at 80 kmph will take how much time to cross a man sitting in another train which is 400 metres long, running at 64 kmph in the opposite direction?
Ai এর মাধ্যমে
১০ লক্ষ+ প্রশ্ন ডাটাবেজ
প্র্যাকটিস এর মাধ্যমে নিজেকে তৈরি করে ফেলো
উত্তর দিবে তোমার বই থেকে ও তোমার মত করে।
সারা দেশের শিক্ষার্থীদের মধ্যে নিজের অবস্থান যাচাই
A cyclist moving on a circular track of radius 105 meters completes one revolution in 3 minutes. What is the average speed of cyclist (approx.)?
One card is drawn from a pack of 52 cards. What is the probability that the card drawn is either a red card or a King?
If a man covers 15.2 km in 4 hours, the distance covered by him in 5 hours is:
Two pipes A and B can fill a cistern in 12 minutes and 15 minutes respectively while a third pipes C can empty the full cistern in 6 minutes. A and B are kept open for 5 minutes in the beginning and then C is also opened. In what time is the cistern emptied?
