A car averages 55 mph for the first 4 hours of a trip and
averages 70 mph for each additional hour. The average speed
for the entire trip was 60 mph. How many hours long is the trip?
Answer Posted / raghunathan
6 hrs is the total trip hours.
| Is This Answer Correct ? | 39 Yes | 3 No |
Post New Answer View All Answers
There is a work which can be completed by A with 12 days and B by 18 days. A and B works together for 3 days and B left. After that how many days for A to complete the work?
A tailor has 37.5 metres of cloth and he has to make 8 piecesout of a metre of cloth. How many pieces can he make out of this cloth?
if for h hours of work the salary is s and the employee gets x hours of medical leave, then what is the salary/hr ?
A chain is broken into three pieces of equal lenths containing 3 links each. It is taken to a backsmith to join into a single continuous one . How many links are to to be opened to make it ?
One guy (some name) has Rs. 100/- in hand. He has to buy 100 balls. One football costs Rs. 15/, One Cricket ball costs Re. 1/- and one table tennis ball costs Rs. 0.25 He spend the whole Rs. 100/- to buy the balls. How many of each balls he bought?
500 men are arranged in an array of 10 rows and 50 columns . ALL tallest among each row are asked to fall out . And the shortest among THEM is A. Similarly after resuming that to their original positions that the shortest among each column are asked to fall out. And the longest among them is B . Now who is taller among A and B ?
Three cards are drawn at random from an ordinary pack of cards. Find the probability that they will consist of a king, a queen and an ace.
A triangle has sides of lengths 10, 24 and k. k is a positive integer. The number of values of k for which this triangle has three acute angles is
Now i am doing RHCE (Red Hat Certified Engineer). Please give some interview questions of linux.
hai friends i have finished my B.E CSE in 2009.now i have to get a interview opportunity from HP software ,chennai.please any one can send me the last year(2009) interview questions with answers for freshers.i want a full details about HP's interview question with answers,procedures also.such these one year i had try to get my job but still i have not get.so plese send me that what i said....by vijay,chennai
Find the next series of 1,2,2,4,8,?
Find sum of 3 + 5/(1+22) + 7/(1 + 22 + 32) + ......
the minimum of (2x+1)**2 + (x+2) is at x =
A car is filled with four and half gallons of oil for full round trip. fuel is taken 1/4 gallons mor3 in going than coming. what is the fiel consumed in coming up?
There are Brown and Black cows. In five days four black cows and 3 brown cows give as mush as milk that four brown cows and 5 black cows give in four days. If the black cow gives 10 litres of milk per day, how many liters of milk the Brown cow will give in one day? (Numbers are not certain)