Q.

Ramesh travels 760Km to his home partly by train and partly by car. He takes 8hr, if he travels 160Km by train and the rest by car. He takes 12 minutes more, if he travels 240Km by train and the rest by car. Find the speed of the train and of the car.


see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

Question Image

b

Question Image

c

Question Image

d

Question Image 

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Let the speed of train be xkm/hr
and the speed of the car is ykm/hr respectively.
Question ImageThus, Question ImageFirst, Distance traveled by train = 160km
Distance traveled by car = (760-160)km = 600km Time taken by train+Time taken by car = 8 hours
Hence the equation becomes,
Question ImageSecond, Distance traveled by train = 240km
Distance traveled by car = (760-240)km = 520km
Time taken by train+Time taken by car = 8 hours+12 minutes
Hence the equation becomes,
Question ImageQuestion ImageLet, Question Image, and Question ImageHere, we solving the equations,
We get:
Question Image and Question ImageTherefore, Question Image and Question ImageNow, solving we get,
x= 80 and y =100
Question Image 
Watch 3-min video & get full concept clarity

hear from our champions

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon