একটি উড়োজাহাজ ঘন্টায় ২৮০ মাইল গতিতে ৬ ঘন্টায় কোনো একটি নিদিষ্ট দূরত্ব অতিক্রম করে। উক্ত দূরত্ব ২ ঘন্টায় অতিক্রম করতে হলে উড়োজাহাজটির গতি কত হবে?
A. ঘন্টায় ৮৪০ মাইল
B. ঘন্টায় ২৮০ মাইল
C. ঘন্টায় ৪২ মাইল
D. ঘন্টায় ৫৬০ মাইল
সঠিক উত্তরঃ
A.
ঘন্টায় ৮৪০ মাইল
Explanation:
Related Questions (Any University/Year)
- লাল ও কালো মিলে একটি বাক্সে ১০টি বল আছে। নিচের কোনটি কোনভাবেই লাল ও কালো বল এর অনুপাত হবে না?
- If one-third of one-fourth a number is 15, then three-tenth of that number is-
- In the figure above area of the inscribed rectangle is 32. The circumference of the circle is-
- By selling goods for Tk. 153, Shabit loses 10%. For how much should he sell them to gain 20%?
- How many flowers are there if all of them are roses except two, all of them are tulips except two and all of them are daisies except two?
- A man starts climbing a 11 m high wall at 5 pm. In each minute he climbs up 1m but slips down 50 cm. At what time will he climb the wall?
- A train left Dhaka for Chittagong at 62 km per hour and at the same time another train left Chittagong for Dhaka at 48 km per hour on the same route. How far apart were the two trains one hour before they met?
- In a shipment of 120 machine parts, 5% were defective. In another shipments of 80 machine parts, 10% were defective. For the two shipments combined, what percent of machine parts were defective?
- If List A consists of (1, 3, 5, and 7) and List B consists of (2, 4, 6, and 8), for how many different ordered pairs, (x, y), where x is a number from List A and y is a number from List B, is x + y >11?
- Machine A produces bolts at a uniform rate of 120 every 40 seconds, and Machine B produces bolts at a uniform rate of 100 every 20 seconds. If the two machines run simultaneously, how many seconds will it take for them to produce total of 200 bolts?
- 40% of students in a class are smart. The rest are stupid. Half the students play sports and half don't. If 20% of the students are smart and play sports, what percent of the students are stupid and don't play sports?
- The population of City X is 40% of the population of city Y. The population of city X is what percent of city X and city Y together?
- ১০ জনে একটি কাজের অর্ধেক করতে পারে ৭ দিনে। ঐ কাজটি করতে ৫ জনের কত দিন লাগবে?
- Harun is three times as old as Tamim. In eight years, he will be twice as old as Tamim. How old was Harun 3 years ago?
- 64 এর 75% এর এক-তৃতীয়াংশ সমান কত ?
- Instructions: DO NOT USE CALCULATOR. Figures are not drawn to scale. If x and y are positive integers and \(\frac{1}{x} + \frac{1}{y} = \frac{1}{9}\), what is the difference between the maximum and minimum value of x?
- What is the smallest positive integer K such that the product 1575 x K is a perfect square?
- একটি মানচিত্রে ৩/৮ ইঞ্চি দূরত্ব ৫০ মাইলের সমান। দুটি শহরের মধ্যবর্তী দূরত্ব ৩.৭৫ ইঞ্চি। শহর দুটির প্রকৃত দূরত্ব কত?
- The average age of 11 players of a cricket team is decreased by 2 months when two of them aged 17 years and 20 years are replaced by two new players. The average age of the new players is
- 15 workers can finish a job in 12 days. They work for 4 days, after which 5 additional workers join the team. In how many days will all of them together complete the remaining job?