A car 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 travelled
Options Are :
10Kms
20Kms
30Kms
40Kms

Answer Posted / ramesh

distance=time*velocity
7x=(x+12)5
x=30
then in one hour 30km distance travelled
then in 7 hours 210 kms

Is This Answer Correct ?    19 Yes 5 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

A can work three times as B can work. If A takes 60 days less than B to complete the same task, calculate the number of days when both A and B start working together on the same day.

658


A cylinder is 6 cms in diameter and 6 cms in height. If spheres of the same size are made from the material obtained, what is the diameter of each sphere?

825


There are 150 weights .Some are 1 kg weights and some are 2 kg weights. The sum of the weights is 260.is the number of 1kg weights?

965


epaulet : shoulder : : ring :?

1139


Initially two cups of same volume are present with milk filled upto 3/5th and 4/5th of their volumes.Water is then filled. Then two mixtures are mixed. Find the ratio of water to milk in the mixture.

1407






Only boys aged 16 wear coats. Boys aged 15 go to watch football.some more statements are given. What can be said about those who are watching football ? (age and costume).

903


A person was fined for exceeding the speed limit by 10 mph. Another person was also fined for exceeding same speed limit by twice the same. If the second person was travelling at a speed of 35 mph, find the speed

800


15 software functions are there. It is known that atleast 5 of the m are defective. What is the probability that if three functions are chosen and tested, no errors are uncovered.

777


Two distinct no's are taken from 1,2,3,4......28. Find the probability that their sum is less than 13

878


4i+8j+10k. something like this.

6253


Which is the largest prime number that can be stored in a 9-bit register?

729


A car is filled with four and half gallons of fuel for a round trip.If the amount of fuel taken while going is 1/4 more than the amount taken for coming, what is the amount of fuel consumed while coming back?

927


In the series 0, 3, 8, 15,__ What is the next number?

701


write a program that prompts the user to enter three sides of a triangle and prints whether it is a right triangle or not.

2029


it has 20 mixutre conatins mil and water in the ratio 3:5,replace 4 litres of mixture with 4 litres of water what is the final ratio of milk and water.

893