Two cars A and B left Ludhiana for Chandigarhat the same time. Car A for the first half of thepath travelled at a speed of 120 km/h and thesecond half of the path at a speed of 80 km/h.Car B travelled at a speed of 120 km/h for firsthalf of the time and at a speed of 80 km/h forthe second half of the time.
Answers
ANSWER: Complete Question as follows:
Complete Question as follows:Two cars A and B start at the same time from A and B which are 120 km apart. If the two cars travel in opposite directions, they meet after one hour and if they travel in same direction (from A towards B), then A meets B after 6 hour. What is the speed of car P?
after 6 hour. What is the speed of car P?Solution:
after 6 hour. What is the speed of car P?Solution:Distance between A and B = 120 km
after 6 hour. What is the speed of car P?Solution:Distance between A and B = 120 kmIf they travel in opposite direction, they meet after 1 hour
after 6 hour. What is the speed of car P?Solution:Distance between A and B = 120 kmIf they travel in opposite direction, they meet after 1 hourIf they travel int he same direction (A towards B), then they meet after 6 hours
after 6 hour. What is the speed of car P?Solution:Distance between A and B = 120 kmIf they travel in opposite direction, they meet after 1 hourIf they travel int he same direction (A towards B), then they meet after 6 hoursWhen the are traveling in opposite direction
after 6 hour. What is the speed of car P?Solution:Distance between A and B = 120 kmIf they travel in opposite direction, they meet after 1 hourIf they travel int he same direction (A towards B), then they meet after 6 hoursWhen the are traveling in opposite directionTime traveled = 1 hour (Given)
after 6 hour. What is the speed of car P?Solution:Distance between A and B = 120 kmIf they travel in opposite direction, they meet after 1 hourIf they travel int he same direction (A towards B), then they meet after 6 hoursWhen the are traveling in opposite directionTime traveled = 1 hour (Given)Let A traveled x km when they met
traveled x km when they met⇒ Speed = x km/h
B traveled (120 - x) km when they met
traveled (120 - x) km when they met⇒ Speed = (120 - x) km/h
traveled (120 - x) km when they met⇒ Speed = (120 - x) km/hWhen the are traveling in the same direction:
traveled (120 - x) km when they met⇒ Speed = (120 - x) km/hWhen the are traveling in the same direction:Distance = Time x Speed
traveled (120 - x) km when they met⇒ Speed = (120 - x) km/hWhen the are traveling in the same direction:Distance = Time x SpeedTime traveled = 6 hours
traveled (120 - x) km when they met⇒ Speed = (120 - x) km/hWhen the are traveling in the same direction:Distance = Time x SpeedTime traveled = 6 hoursIn 6 hours, A traveled = 6x km
traveled = 6x kmIn 6 hours, B traveled = 6(120 - x) = 720 - 6x km
traveled = 6(120 - x) = 720 - 6x kmGiven that P starts travelling from A and Q from B
traveled = 6(120 - x) = 720 - 6x kmGiven that P starts travelling from A and Q from BDifference in distance = 120 km
traveled = 6(120 - x) = 720 - 6x kmGiven that P starts travelling from A and Q from BDifference in distance = 120 km6x + 120 = 720 - 6x
traveled = 6(120 - x) = 720 - 6x kmGiven that P starts travelling from A and Q from BDifference in distance = 120 km6x + 120 = 720 - 6x12x = 600
traveled = 6(120 - x) = 720 - 6x kmGiven that P starts travelling from A and Q from BDifference in distance = 120 km6x + 120 = 720 - 6x12x = 600x = 50
traveled = 6(120 - x) = 720 - 6x kmGiven that P starts travelling from A and Q from BDifference in distance = 120 km6x + 120 = 720 - 6x12x = 600x = 50Find the speed:
A = x = 50 km/h
B = 120 - x = 120 - 50 = 70 km/h
120 - x = 120 - 50 = 70 km/hAnswer: A traveled 50 km/h and B traveled 70 km/h
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