A man travels from A to B at 4 mph over a certain journey
and returns over the same route to A, at 5 mph. What is his
average speed for the journey?
Answer Posted / raviraj mishra
FORMULA FOR AVG. SPEED WHEN DISTANCE TRAVELLED IN TWO
INTERVALS IS SAME , IS GIVEN BY = 2*A*B/A+B
, A=4mph & B=5MPH SO ANSWER=4.44mph
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
The committee on sexual discrimination in the workplace has highlighted Supremo Company as a chief offender. Of the twenty senior executives in the firm, only one is a woman. And of the forty junior executives, only five are female. Supremo could best defend itself against the charges by showing that .ten times more men than women apply for jobs with the company all job applicants who were rejected had fewer qualifications than those accepted they pay the same salary to senior men and senior women male and female executives at the same level have the same qualifications
The average score of a cricketer for 13 matches is 42 runs. If his average score for the first 5 matches is 54, then what was his average score (in runs) for last 8 matches?
6 people A,B,C,D,E and F sit around a table for dinner. Since A does not like C, he doesn't sit either opposite or beside C.B and F always like to sit opposite each other. If A is beside F then who is are the two neighbours of B?
Here are 140,0000 pencils out of which 80 % of pencils have average length of 5 inch. What will be the total length, if they are kept one over another? What will be the distance in miles?
If the product of three consecutive int is 210,then sum of the two smaller ints is:
An orange glass has orange juice and white glass has apple juice both of equal volumes. 50ml of the orange juice is taken and poured into the apple juice. 50ml from the white glass is poured into the orange glass. Of the two quantities, the amount of apple juice in the orange glass and the amount of orange juice in the white glass, which one is greater and by how much?
a block of ice floats on water in a beaker, as the ice melts,the water level in the beaker will
In a show, ticket numbers from 101 to 350 are made to sit consecutively. What is the probability that the number of the ticket, selected at random, will be a hundredth digit of 2?
12 men can build wall of length of 12m in 10 days how many men are required to build 20 m in 15 days.
Samuel is obviously a bad fisherman. During the past season, in which he and the five members of his team spent four months on a boat together off Dutch Harbor, AK, he caught fewer fish than any of his teammates. Which of the following, if true, most weakens the argument above? While fishing this past season, Samuel fell sick for a week and did not catch any fish during this time. Before becoming a fisherman, Samuel piloted a fishing boat whose members regularly caught record numbers of fish. Unlike the other fishermen on his boat, at the order of the captain, Samuel fished this past season with experimental bait. Two seasons ago, Samuel fished on another boat off Dutch Harbor and caught more fish than any other member of that boat.
Zulus always speak truth and Hutus always speak lies. There are three persons A,B&C. A met B and says " I am a Zulu or I am Hutu". We don't know what exactly he said. then B meets C and says to c that " A is a Zulu ". Then C replied " No, A is a Hutu ". How many Zulus are there ?
A boy has Rs 3 in total. If he wins, he gains 1 Rupee and if he looses, he has to loose 1 Rupee. The boy may lose only 5 times in the game and if he earns 5 Rs, he has to quit the game. Find the number of ways of the possibilities.
Olympic race : 4 contestants : Alan,charlie, Darren ,Brain. There are two races and average is taken to decide the winner.one person comes at the same position in both the race. Charlie always come before darren. Brian comes first once. Alan comes third at least once. Find the positions. Alan never comes last. Charlie & darren comes 2nd at least once.
If the bus travels with 8 tyres(6 tyres running),travels a distance of 16000 km how much is the distance sustained by each tyre.
Ravi's salary was reduced by 25%.Percentage increase to be effected to bring the salary to the original level is