৭ মিটার ব্যাসার্ধের একটি চাকা ১০ বার ঘুরে কতটুকু দূরত্ব অতিক্রম কর ?
A. ৭০ মিটার
B. ৪৪০ মিটার
C. ২২০ মিটার
D. ১৫৪০ মিটার
সঠিক উত্তরঃ
B.
৪৪০ মিটার
Explanation:

Related Questions (Any University/Year)
- A 112-meter rope is cut into three pieces with each piece twice as long as the previous one. How long is the longest piece?
- The members of an association decided to contribute equally to create a fund of Tk. 45,000. Five members refused to contribute, so each of the other members had to contribute additional tk. 15 for that fund. How many members were there in the association?
- Mother's age today is thrice as her daughter's . After 10 years it would be just double. How old is the daughter today?
- In a library system with 6 brances, 60 workers are employed. If no library has fewer than 7 workers and ne more then 11, what is the minimum number of workers in any two of the brances?
- In a certain shipment 2% of the boxes shipped were damaged. If the loss per, damaged box was Tk. 35 and the total loss due to damage was Tk. 700, how many boxes were shipped?
- How many litters of apple juice were added to the orange juice in a certain container ?
- একটি বড় বাক্সের মধ্যে ৪টি বাক্স আছে ও তার প্রত্যেকটির ভেতর ৪টি করে ছোট বাক্স আছে। মোট বাক্সের সংখ্যা কত?
- Jeff takes 20 minutes to jog around the race course one sme, and 25 minutes to jog around a second time. What is his average speed in miles per hour for the whole jog if the course it 3 miles long?
- Half the people on a bus get off at each stop after the first, and no one gets on after the first stop. If only one person gets off at stop number 7, how many people got on the first stop?
- চিত্রে DE || BC. একটি ত্রিভুজ ADE এর ক্ষেত্রফল DECB ট্রাপিজিয়ামের ক্ষেত্রফলের অর্ধেক হলে AE : AC কত?
- A rope , x feet long, is cut into two pieces such that the length of one piece is 1 foot more than twice the length of the other piece. Which of the following is the length, in feet, of the larger piece?
- Ehsan was preparing to make a tape from some of his favourite songs. He noticed that Hadi's song was 1 minute longer than Bonna's song. Duration of Niaj's song was 1 minute shorter than twice the duration of Bonna's song. If the total time for these songs is 12 minutes, how long is Niaj's song?
- If the population of Town B is 50% greater than the population of Town A, and the population of Town C is 20% greater than the population of Town A, then what percent greater is the population of Town B than the population of Town C?
- If 6 workers can complete 9 identical job in 3 days, how long will it take 4 workers to complete 10 such jobs ?
- Instructions: DO NOT USE CALCULATOR. Figures are not drawn to scale. In a particular course, Arif appeared in 10 quizzes. The average of his best 9 quizzes is 10% more than the average of all the quizzes he attended. The total marks obtained in best 9 quizzes is what percent of the total marks obtained in 10 courses?
- A mixture of sugar and water contains sugar and water in the ratio of 3: 2. Another mixture of sugar and water contains sugar and water in the ratio 2: 5. In what ratio should the two mixtures be mixed so that the resulting mixture contains equal proportion of sugar and water?
- A reservoir has two pipes, A and B. A can fill the reservoir 5 hours faster than B. If both together fill the reservoir in 6 hours, the reservoir will be filled by A alone in-
- একটি পাত্রে পানি ও সিরাপ ৩ঃ ৫ অনুপাতে মিশ্রিত রয়েছে । কতটুকু মিশ্রণ উঠিয়ে নিয়ে তার পরিবরর্ত পানি যুক্ত করলে তরল দুটির অনুপান ৫০ঃ৫০ হবে?
- বিশ্বকাপ ফুটবলে এশিয় অঞ্চলের সাতটি দল পরস্পরের সাথে খেললে মোট কয়টি ম্যাচ অনুষ্ঠিত হবে?
- You are given the equation sqrt( 3x)+3=4, which one of the following is the correct value of x?
- টেলিফোন ডায়ালে 0 থেকে 9 পর্যন্ত লেখা থাকে। যদি কক্সবাজার শহরের টেলিফোনগুলো 5 অংক বিশিষ্ট হয়, তবে ঐ শহরে কত টেলিফোন সংযোগ দেয়া যাবে?
- Ratio between two numbers is 2:3 and their sum is 400. The greater of the two number is
- ৬ + ৫ এর ১২=?
- একজন লোক ৪ ফিট লাফ দিতে পারে। সে একটি নৌকা থেকে তীরের উদ্দেশ্যে লাফ দিল। তখন নৌকাটি তীর থেকে ৩ ফিট দূরে ছিল। সে কোথায় পৌঁছাবে?
- There are 209 doctors and nurses in a hospital. If the ratio of the doctors to the nurses is 11: 8, then how many nurses are there in the hospital?
- Rezoan started a business investing Tk 50,000. Four month after he started ,Ameer joined him with a capital of Tk 90,000 .If at the end of the year the total profit in the business is tk 22000 .What would be the Ameer's share in it
- A family went for a vacation. Unfortunately, it rained daily for 13 days when they were there. But whenever it rained in the mornings, they had clear afternoons and vice versa. In all, they enjoyed 11 mornings and 12 afternoons. How many days in all did they stay there?
- ৫ টা মেশিন ৫ মিনিট কাজ করে যদি ৫ টা যন্ত্রাংশ তৈরি করতে পারে, তাহলে ১০০ টা মেশিনের ১০০ টা যন্ত্রাংশ তৈরি করতে কত সময় লাগবে?
- Samantha went shopping and bought one red bag and 15 black bags. The cost of the red bag was 3 times the average cost of a black bag. If she had spent a total of Taka x for the bags, what was the cost of the red bag (in terms of x)
- ০.১ × ০.০১ × ০.০০১ = ?
- ১১ জন কুমোর ৪ দিনে ১৪৩টি হাড়ি তৈরি করতে পারে। ৪ দিনে ১৬৯টি হাড়ি তৈরি করতে কত জন কুমোরের প্রয়োজন?
- A nut mixture consists of peanuts, pistachios, and macadamia nuts in the ratio 5:3:2, respectively, by weight. What amount of pistachios will be in 40 pounds of the mixture?
- If y% of x is 29. Then x =?
- This year the school allotted 60% of its budget for development of the computer center and its budget this year is 15% than that of the last year. If the last year's budget was Tk. 1,000,000 and the allocation to the computer center has increased by 20% compared that of the last year, calculate the allocation to the computer center last year (in taka).
- Two tailors X and Y are paid a total of Tk. 550 per week by their employer. If X is paid 120 percent of the sum paid of Y. How much is Y paid per week?
- A circle has a radius of 4. If P and Q are points on the circumstances, the maximum length of which could separete P and Q is
- At a certain university, 60% of the professors are women, and 70% of the professors are tenured. If 90% of the professors are women, tenured, or both, then what percent of the men are tenured?
- If 16% of 40% of a number is 8, the number is :
- The difference between two positive numbers is 16. If the smaller of those two numbers is 3/5th of the larger, what is the value of the smaller number?
- If a, b and c are 3 consecutive integers in that order, which of the following has the lowest value?