If a car starts from A towards B with some velocity due to
some problem in the engine after travelling 30km.If the car
goes with 4/5 th of its actuval velocity the car reaches B
45min later to the actual time. If the car engine fails
ofter travelling 45km, the car reaches the destination B
36min late to the actual time , what is the initial
velocity of car and what is the distance between A and B in km
- 8 Answers
- 23844 Views
- FGD, IBM, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / ravi ranjan sinha
let x is distance from A to B
and y is initial speed.
30/y+(x-30)5/4y -x/y = 3/4
=>
4x-12y=120 ----(1).
45/y + (x-45)5/4y -x/y=3/5
=>
5x-12y=225 -------(2).
From equ (1) and equ (2) we will get.
x=25 and y=105
so initial speed is 25
and Distance From A to B is 105
Ans 25,105
| Is This Answer Correct ? | 32 Yes | 11 No |
Answer / nilkanth
taking velocity and distance as unknowns. write 2 equations
for both the cases equating total time taken considering the
delays.. u will get two simultaneous equations. solve them
to get d unknowns..u will get 25km/hr and 105 kms...
| Is This Answer Correct ? | 19 Yes | 2 No |
Answer / chris
yup 105km and 25km/hr
You look at the difference in velocity over the 15km that
the velocity is different over.
| Is This Answer Correct ? | 8 Yes | 5 No |
Answer / snp
any value which satishfies equation S=V+30,
S=distance and V=velocity
| Is This Answer Correct ? | 6 Yes | 4 No |
Answer / namrata gupta
Let the distance between A and B is x and the velocity initially is v
then according to the given conditions
[30/v]+[(x-30)/(4v/5)] = [x/v]+3/4 here 3/4 is for 45 minute
[45/v]+[(x-45)/(4v/5)] = [x/v]+3/5 here 3/5 is for 36 minute
on solving we will get (x-30)/v = 3 and (x-45)/v = 12/5
or x-30 = 3v and x-45 = 12v/5 or x = 105 and v = 25
| Is This Answer Correct ? | 2 Yes | 0 No |
how to learn aptitude quickly
a student is ranked 13th from right and 8th from left.how many are there(similar)
Which countries have two official national anthem ?
The price of a candy bar is $1.00. The price of a ten pack of the same candy bar is $7.40. The ten pack of candy bars is what percentage cheaper then purchasing ten candy bars individually?
f(X)= 2X-1 + f(X-1) if X is not equal to zeroandiff(X=0)=0, If f(X)-f(X-1)=f(X-8) for X>5 then X= ?
What was the aggregate of marks obtained by sajal in all the six subjects?
hi had any body attended bank of interview plz........ share your experience
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?
45 grinders brought @ 2215/-.transpot expense 2190/-.2760/- on octroi . Find SP/piece to make profit of 20% 2585 2225 2670 3325
Placement aptitude questions pattern in oyo rooms
Total number of wheels of bicycles & 4 wheeled vechicles is 38. How many bicycles are there?
a student is ranked 13th from right and 8th from left.how many are there?
English 
