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


Please Help Members By Posting Answers For Below Questions

C1,C2 upto Cn are n cities in a country.There are some roads connecting these cities.They are connected in such a that Crth city has r distinct routes connecting each of the other city in the country. 1)if n=27,then how many roads are there in a country? 2)if n=4,in how many distinct routes,can a person travel from c3 to c2?

2448


What Is Kyc?

786


To 15 lts of water containing 20% alcohol, we add 5 lts of pure water. What is % alcohol.

860


Find the hypotaneous of a right angle isoceles triangle whose area is 50.

798


1,40,00,000 pencils are put up straight. all the pencils are of length range 3 to 6 inches. 80% of the pencils have average of five inches. so the find out the total length spanned by the pencils.

834






A person runs 6 ft in 1/4 sec. how much it will run in 10 sec.

789


If f(0)=1 and f(n)= f(n-1)*n, find the value of f(4).

841


A 16 stored building has 12000 sq.feet on each floor. Company A rents floors and company B rents 4 floors. What is the number of sq.feet of unrented floor space.

694


any body send me the sample paper for pnb dy.managers,to ravitejareddy.r@gmail.com

2069


In a club there are certain no. of males and females. If 15 females are absent then no. of males will be twice that of females. If 45 males are absent then female strength will be 5 times that of males. Find no. of males actually present.

656


if x=y=2z and xyz =256 then x=

774


the sum of the present ages of a father and his son is 60 years. Six years ago, father's age was five times the age of the son. After 6 years, son's age will be?

710


In a party man & his wife ,and there r 2 son with their wives, and every son has 4 children in his family .how manyperson r in party.

714


The age difference between two brothers is 3 years. After 6 years the ratio between the age is 9:8 What are their ages?

841


There are 5 questions based on a murder story.the questions concentrate on the seating arrangements of people mentioned.

793