Point A and B are 90 km apart from each ...

Point A and B are 90 km apart from each other on a highway. A car starts from A and another from B at the same time. If they go in the same direction they meet in 9 hours and if they go in opposite directions they meet in 9/7 hours. Find their speeds.

Text Solution

Verified by Experts

The correct Answer is:

Car A = 40 km/hr, Car B = 30 km/hr

Topper's Solved these Questions

LINEAR EQUATIONS IN TWO VARIABLES
NAGEEN PRAKASHAN|Exercise Revision Exercise Very Short Answer Questions|9 Videos
LINEAR EQUATIONS IN TWO VARIABLES
NAGEEN PRAKASHAN|Exercise Revision Exercise Short Answer Questions|10 Videos
LINEAR EQUATIONS IN TWO VARIABLES
NAGEEN PRAKASHAN|Exercise Exercise 3d|35 Videos
INTRODUCTION TO TRIGONOMETRY
NAGEEN PRAKASHAN|Exercise Revision Exercise Long Answer Questions|5 Videos
POLYNOMIALS
NAGEEN PRAKASHAN|Exercise Revision Exercise Long Answer Questions|4 Videos

Similar Questions

Explore conceptually related problems

Places M and N are 90 km apart from each other on a national highway. A truck starts from M and another from N at the same time. If they go in the same direction, then they meet in 9 hours and if they go in opposite directions, they meet in 9/7 hours. The speed of the trucks are O 90 km/hr, 40 km/hr O 40 km/hr, 30 km/hr O 20 km/hr, 60 km/hr O 50 km/hr, 12 km/hr

places A and B are 80km apart from each other on a highway.A car starts from A and other from B at the same time.If they move in the same direction,they meet in 8 hours and if they move in opposite directions,they meet in 1 hour and 20 minutes.Find the speed of the cars.

Two places 'A' and 'B' are 120 km apart from each other on a highway .A car starts from 'A' and another from 'B' at the same time . If they move in the same direction , they meet in 6 hours and it they move in opposite direction , they meet in 1 hour and 12 minutes .Find the speed of each car .

Two laces A and B are 80km apart from each other on a highway.A car starts from A and another form B at the same time.If they move in the same direction they meet each other in 8 hours.If they move in opposite directions towards each other,they meet in 1 hour 20 minutes.Determine the speeds of the cars.

Places A and B are 160 km apart on a highway. One car starts from A and another from B at the same time. If they travel in the same direction, they meet in 8 hours. But, if they travel towards each other, they meet in 2 hours. Find the speed of each car.

Places A and B are 100km apart on a highway. One car starts from A and another from b at the same time.If the cars travel in the same direction at different speeds,they meet in 5 hours.If they travel towards each other,they meet in 1 hour.What are the speeds of the two cars

NAGEEN PRAKASHAN-LINEAR EQUATIONS IN TWO VARIABLES -Exercise 3e

From Delhi station if we buy 2 tickets to station A and 3 tickets to s...
Text Solution
|
A railway half ticket costs half the full fare and the reservation cha...
Text Solution
|
Point A and B are 90 km apart from each other on a highway. A car s...
Text Solution
|
in the triangle ABC , /A=x^@,/B=3x^@,/C=y^@. if 3y-5x=30 then prove th...
Text Solution
|
In a DeltaABC, angleA = x^(@), angleB = (3x - 2)^(@), also angleC - an...
Text Solution
|
The largest angle of a triangle is twice the sum of the other two. The...
Text Solution
|
In a cyclic quadrilateral A B C D , /A=(2x+4)o,\ \ /B=(y+3)o,\ \ /C...
Text Solution
|
If in a rectangle, the length is increased by 2 units and breadth is r...
Text Solution
|
The perimeter of a rectangle plot is 32 metres. If the length is incre...
Text Solution
|
The area of a rectangle remains the same if the length is increased...
Text Solution
|
A man went to a Bank with Rs. 1000. He asked the cashier to give him R...
Text Solution
|
Post cards costing 15 paise each and inland letters costing 75 paise e...
Text Solution
|
2 men and 5 boys together can finish a piece of work in 4 days, while ...
Text Solution
|
A and B together can do a piece of work in 15 days. If 1 day's work of...
Text Solution
|
A takes 3 hours more than B to walk a distance of 30 km. But, if...
Text Solution
|
The boat goes 25 km upstream and 33 km downstream in 8 hours. It can a...
Text Solution
|
A boat travels for 7 hours. If it travels 4 hours downstream and 3 hou...
Text Solution
|
A sailor goes 8 km downstream in 40 minutes and returns in 1 hours....
Text Solution
|
Anshula walks 35 km partly at the rate 4 km/hour and Partly at 5 km/ho...
Text Solution
|
A bucket when filled (5)/(7) with water weights 12 kg and filled (3)/(...
Text Solution
|