Total distance is 120 km . Going by 60kmph and coming back by
40kmph what is the average speed?
Answer Posted / guest
Given total distance already ie equal to 120km
T1 = (120/2) / 60 = 1 hr
T2 = (120/2) / 40 = 1.5 hr
Total time T = 2.5 hr
Average speed = 120 / 2.5
= 48 kmph
I guess ur answers were correct but u did not follow up the
question!
| Is This Answer Correct ? | 12 Yes | 1 No |
Post New Answer View All Answers
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.
How many mashes are there in a sq. m of wire gauge. Each mesh being 8mm long X 5mm width
plz send Karur Vysya Bank Clerk exam previous model papers to saraphin21@gmail.com....
3/p=6, 3/q=15 ......find p-q
pls help about karnataka bank officers exam paper and guide me about pattern pls total time given and different sub they asked in exam?
mukesh and anil ambani invested amount in business and made in the ration 17:13 and made some profits. if mukesh earned 800 rs more than anil. then what is the profit they have earned....?
4 couples have a party.Depending on the set of statements,find who insulted whom and who is the host of the party.
A says “the horse is not blackâ€. B says “the horse is either brown or grey. “C says “the horse is brown†At least one is telling truth and at least one is lying. What is the color of the horse?
A bike runs at the speed of 50 km/h when not serviced and runs at 60 km/h when serviced. After servicing the bike covers a certain distance in 6 h. How much time will the car take to cover the same direction?
in a market 4 man are standing .the average age of the four before 4years is 45,aftyer some days one man is added and his age is 49.what is the average weight of all?
box 1 cotain odd value X or Y the box 2 =X i.e 7 or 12 box 3= Y has value 19 if X is 7 or 31 if x is 12 get even value X or Y Use any operator steps allowed 3
Four circles are drawn from the corners of a square of area 49 cm2. Find the area of 4 circles outside the square (they didn't mention that circles have radius=1/2 side of a square)?
a number of subsets of a set s is 128, then s has
Square side 7 cm. Find the area 4 equal circles of the circle lying drawn at the…
Salary of a person is 's' per month,'x'% of salary is given as bonus, if 3 months salary is s1,s2 & s3 then what is his salary?