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 / bala
man A to B = 4mph
man B to A = 5mph
(4/100=4%, 5/100=5%)
average speed =4mph+5mph/200*100
=4.5mph.
Is This Answer Correct ? | 2 Yes | 1 No |
Post New Answer View All Answers
A team of 200 wagers undertakes building work of a bridge. The total time allocated to build the entire bridge is 20 days. After 10 days since start, 200 more wagers join the team and together the team completes the bridge in required time. If the original team do not get those 200 extra wagers, how many days they would be behind schedule to complete building the bridge.
Suhana gets 70% in Maths, 80% in Physics. To get an overall of 75% how much should she get in English.
Find the next number in the series 0,3,8,15,,24,48,63--
Find the hypotaneous of a right angle isosceles triangle whose area is 50.
A,B,C,D,E are some numbers.if AB * CD = EEE and CD - A =CC THEN what is AB * D =? IN SAME CODE .
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 45 mph. find the speed limit .
hi had any body attended bank of interview plz........ share your experience
f(x,y) =x**2 -y**2 then the value of f(4,(f(1,2) is
a solution is prepared by mixing two solution with sprit 20% & 60%…In what ration they should be mixed to get the 50% sprit in resultant solution .
In a class there are 45 pupil, out of them 12 are in debate only and 22 in singing only. Then how many in both?
One rectangular plate with lenght 8 inches, breadth 11inches and 2 inches thickness is there. What is the length of the circular rod with diameter 8 inches and equal to volume of rectangular plate?
There are 40 seats in a bus. People agree to share the money for the number of seats. The total money comes to 70.37. How many seats were free?
There are 9 balls of equal size and same weight (they look similar) except 1. How may weighs required to find the dissimilar ball using a weighing balance?
There are 8 stamps, 4 Red and 4 Green. There are three logicians also. One moderator sticks thow stamps each on the forhead of each logician such that each of them can see all the stamps except those on his forhead and the two in moderator's pocket. Then the moderator asked each whether he knows the colors of the stamps he wears? Then the answeres were: A: "No" B: "No" C: "No" A: "No" B: "Yes" What were the colours of the stamps that B wears?
halley is clarks father& arthur is halleys father.after some years when halleys age is equal to arthurs age,halleys age becomes 5 times of clarks present age.clarks age then is 8 times his fathers present age. sum of arthur & halleys age is 100 find clarks present age