On a 400 mile trip ,car X traveled half the distance at 40 miles per hour and the other half at 50 miles per hour .What was the average speed of car X?
A. 45
B. 44 4/9
C. 40
D. 45 4/9
সঠিক উত্তরঃ
B.
44 4/9
Explanation:
Related Questions (Any University/Year)
- Lima is 6 years older than her sister Sharmin, and Jamal is 5 years older than Lima. If the total of their ages is 41, how old is Jamal?
- Mother's age today is thrice as her daughter's . After 10 years it would be just double. How old is the daughter today?
- 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?
- In Jiimiary, 55 percent of a hospital's 300 patients were women. In February, 30 percent of its 440 patients were women. What was the percent change in the number of women patients from January to February?
- In takes one machine 4 hours to complete a production order and another machine 3 hours to complete the same order. How many hours would it take when both machines complete the order simultaneowsly at their respective rates?
- At a club, 70% of the members are women and 60% of the members are married. If 2/3 of the men are single, what fraction of the women is married?
- 55 men can finish á work in 42 days. How many additional men must be engaged to complete the work 9 days earlier?
- The population of a country increased by an average of \(1\%\) per year from 2016 to 2019 . if the population of this country was 21 million on December 31, 2019, then the population of this country on January 1, 2016, to the nearest thousand had been ____________.
- নিচের ছবিতে ভারসাম্য রক্ষার জন্য কত ওজনের প্রয়োজন?
- A computer is programmed to add 3 to the number N, multiply the result by 3, subtract 3, and divide this result by 3. The computer answer will be
- Rahim is paid twice the hourly wages of Selim, Karim is paid one-third of the hourly wage of Karim is delim paid?
- Average of 5 consecutive even numbers is 8, Which is the smallest of the 5 number
- চারটি মেশিন একই গতিতে একসাথে কাজ করে ৬ দিনে - x টি কলম উৎপাদন করতে পারে। ঐ একই গতিতে ৪ দিনে ৩x টি কলম উৎপাদন করতে কতটি মেশিনের কাজ করতে হবে?
- As the price of mango has reduced by 20%, it is now possible to buy 2 more mangoes at Tk. 12. What is the current price of 50 mangoes?
- Jony has 30 pages to read for history class tonight. He decided that he would take a break when he finished reading 70% of the pages assigned. How many pages assigned. How many pages must he read before he takes a break?
- The ration of 1/4 to 3/5 is
- যদি 2x+5=3x-12 হয়, তাহলে x এর মান কত?
- Two men P and Q Start from a place walking at 5 km /hr and 6.5 km/hr, respectively . What is the time they will take to be 92 km apart , they walk in opposite directions?
- If the radius of a circle is increased by 6% , then the area of the circle is increased by-
- If one man or two women or three boys can finish a job in 66 days, then find out the number of days in which that work can be done by one man, two women, and three boys.