A train travels a certain distance taking 7 hrs in forward
journey, during the return journey increased speed 12km/hr
takes the times 5 hrs.What is the distance traveled
Answer Posted / haushila
x=speed
y=distance
according to the first situation ,
x=y/7...(1)
according to second situation,
x+12=y/5
or
5(x+12)=y
5x+60=y.....(2)
by subtracting equation 1&2
x=30
:the train will travel 30km
| Is This Answer Correct ? | 13 Yes | 7 No |
Post New Answer View All Answers
Ganesh and Shankar travel abroad and take more luggage than the airlines allow. They have to pay extra money for it. They carry 52 kgs together and pay $60 and $100 respectively. Now, if the same luggage was carried by only Ganesh it would cost him $340. If the airlines charges only at one rate for extra luggage what is the maximum luggage that a person can carry without paying extra?
Find the next letter in the series Q,W,E,R,T,--
A lorry starts from Banglore to Mysore at 6.00 A.M,7.00am.8.00 am.....10 pm. Similarly one another starts from Mysore to Banglore at 6.00 am,7.00 am, 8.00 am.....10.00pm. A lorry takes 9 hours to travel from Banglore to Mysore and vice versa. A lorry which had started at 6.00pm will cross how many lorries.
the minimum of (2x+1)**2 + (x+2) is at x =
A person goes 4/5 of his usual speed reaches 10min late to his destination, time taken?
Jack and Jill went up and down a hill. They started from the bottom and Jack met Jill again 20 miles from the top while returning. Jack completed the race 1 min a head of Jill. If the hill is 440 miles high and their speed while down journey is 1.5 times the up journey. How long it took for the Jack to complete the race ?
a father is 30 times more than his son however he will be only thrice as old as the son what is father's present age ?
The day before yesterday was WEDNESDAY then the day after tomorrow is?
why we will appoint you.
Rahul took a part in cycling game where 1/5 ahead of him and 5/6 behind him then total number of participants?
Six squares of same dimension are kept side by side to make a rectangle with a perimeter of 182 cm. what is the perimeter of each square.
32 people playing table tennis. how many matches to determine the winner.
A plane moves from 9? N40? E to 9? N40? W. If the plane starts at 10 am and takes 8 hours to reach the destination, find the local arrival time.
Each row of letters or numbers has a rule connecting them. Write the next number or letterin the brackets. K , A , J , B , I , C , H , (_ _ _)
A person travels 6km towards west, then travels 5km towards north ,then finally travels 6km towards west. Where is he with respect to his starting position?