ঢাকা থেকে চট্টগ্রামের দূরত্ব ২৪০ কি. মি.। একটি বাস ঘণ্টায় ৬০ কি. মি. গতিতে গিয়ে ঘণ্টায় ৪০ কি. মি. গতিতে ফিরে এল। বাসটির গড় গতিবেগ কত?
A. ৪৮ কি. মি./ঘণ্টা
B. ৫০ কি. মি./ঘণ্টা
C. ৫২ কি. মি./ঘণ্টা
D. ৫৪ কি. মি./ঘণ্টা
সঠিক উত্তরঃ
A.
৪৮ কি. মি./ঘণ্টা
Explanation:
Related Questions (Any University/Year)
- Sum of ages of sunny and Imran is Y years. If sunny is 12 years older than Imran , how many years old will Imran be Y years from now, in terms of Y?
- If 12 men can reap 120 acres of land in 36 days, how many acres of land can 54 men reap in 54 days?
- The cost of pen is 20% more than that of a book and the cost of a CD is 3/4 as much as the cost of the pen. If the cost of the pen is tk 90 more than that oh the CD, what is the cost of the book in taka?
- Mr. Karim traveled from A to B at a speed of 3 km/hr and returned from B to A at a speed of 5 km/hr. the round trip required 8 hours what was the distance between A and B in km?
- ৩৫০ টাকা দরে ৩ কেজি মিষ্টি কিনে ৪ টাকা হারে ভ্যাট দিলে ভ্যাটের পরিমাণ কত টাকা?
- 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?
- কোনো বৃত্তের ব্যাসার্ধ যদি ২০% কমে, তবে উক্ত বৃত্তের ক্ষেত্রফল কত % কমবে ----
- 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?
- 6 pints of a 20 percent solution of alcohol in water are mixed with 4 pints of a 10 percent alcohol in water solution. The percentage alcohol in the new solution is
- The number of students on each section of a school is 24. After admitting new students, three new sections were started. Now, the total number of sections is 16 and there are 21 students in each section. How many new students were admitted?
- ঢাকা-আরিচা বাসে প্রথম 4 কিমি ভ্রমনের ভাড়া 10.00 টাকা, পরবর্তী 20 কিমি পর্যন্ত প্রতি কিলোমিটারের ভাড়া ৯০ পয়সা এবং পরবর্তী প্রতি কিলোমিটারের ভাড়া 70 পয়সা। 25 কিমি দূরত্বে ভ্রমনের ভাড়া কত?
- current age ratio of father and son is 7:2 After 5 years, their age ratio will be 8:3 what is the corrent age of father?
- Adnan pays 50% of a bill, Shafiq pays 40% of the remaining and the rest Tk. 120 is paid by Raiyan. How much did Adnan Shafiq Raiyan pay together?
- Six years from now, Afnan's age will be the square of her age six years ago. What is Afnan's age?
- One laptop seller is planning to increase the price/laptop by BDT 10,000 from the next month. Market research shows that with this increase in price he will be able to sell 6 fewer laptops in the next month but the total revenue will increase by BDT 32,000 to BDT 760,000. What is the number of laptops the seller will sell in the next month at this new price?
- 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?
- How many flowers are there if all of them are roses except two, all of them arc tulips except two, and all of them are daisies except two?
- If a 60 ml of water contains 20% of chlorine, how much water must be added in order to create a 12.5% chlorine solution?
- A number when divided by a divisor leaves a remainder of 24. When twice the original number is divided by the same divisor the remainder is 11. What is the value of the divisor?
- Thirty percent of the members of a swimming club have passed the lifesaving test. Among the members who have not passed the test, 12 have taken the preparatory course and 30 have not. How many members are there in the swimming club?
- Two workers, working separately but at the same speed, take hours 40 minutes to complete a particular task, How long will one of these two workers take to complete the same task alone?
- ♠️n denotes the number obtained when n is rounded to the nearest 10th. For example ♠️4.31 = 4.3 ♠️0.089 - ♠️1.135 =
- একটি ক্লাসে ৩০ জন শিক্ষার্থী আছে । তাদের মধ্যে ১৮ জন ফুটবল খেলে ও ১৪ জন ক্রিকেট খেলে । ৫ জন কিছুই খেলেনা । কত জন ফুটবল ও ক্রিকেট উভয়ই খেলে ?
- One copy machine can make 20 copies a minute, and a second copy machine makes 15 copies a minute. If the two copies work together, how long would it take them to make 2100 copies?
- Stan can run 10 miles per hour, whereas Jack can run only 8 miles per hour.If they start at the same time from the same point and run in opposite directions, how far apart( to the nearest Mile) will they be after 10 minutes?
