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 / kumari sharada

x=4m/h
y=5m/h
average speed= x+y/2
4+5/2=4.41m/h

Is This Answer Correct ?    21 Yes 42 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Find out the Simple Interest paid for a sum of $4000 at the rate of 8% per annum for 3 months.

834


A person was fined for exceeding the speed limit by 10 mph.Another person was also fined for exceeding the same speed limit by twice the same. If the second person was travelling at a speed of 35 mph. find the speed limit

929


A ship is away from the shore by 180 miles.A plane is travelling at 10 times speed of the ship.How long from the shore will they meet?

1016


A ship went on a voyage after 180 miles a plane statrted with 10 times speed that of the ship. Find the distance when they meet from starting point.

732


The numbers A, B and C make a sum of 98. If the ratio A:B is 2:3 and that B:C is 5:8, the third number would be

910






Light glows for every 13 seconds . How many times did it between 1:57:58 and 3:20:47 am

1039


A finishes a work in 12 days and B finishes same work in 14 days.If they work for a day alternately with A beginning, how many days will it take to complete the work?

683


The price of sugar increases by 20%, by what % should a housewife reduce the consumption of sugar so that expenditure on sugar can be same as before ?

788


A cloth merchant claims to sell is material at cost price but uses a scale which reads 1 meter for every 95 centimeter. Find the gain percent?

1822


Complete the series: 5, 20, 24, 6, 2, 8, ?

1025


A store was earning 25% profit after giving a discount of almost 25%,. If they now give 10% discount then what is the profit percentage earned.

701


(998-1)(998-2)(998-3).....(998-n)= ? when n>1000

924


which country is following one party system

1972


A moves 3 kms east from his starting point . He then travels 5 kms north. From that point he moves 8 kms east.How far is A from his starting point?

837


A coffee shop blends 2 kinds of coffee,putting in 2 parts of a 33p. a gm. grade to 1 part of a 24p. a gm.If the mixture is changed to 1 part of the 33p. a gm. to 2 parts of the less expensive grade,how much will the shop save in blending 100 gms.

985