ExamCompetition Forum Question Papers Ask A Question Mock Test Learn & Earn Sign Up Login Menu



0 vote

 Roja and Pooja start moving in the opposite directions from a pole. They are moving at the speeds of 2 km/hr and 3 km/hr respectively. After 4 hours what will be the distance between them?

Asked on by | Votes 0 | Views: 198 | Tags: quantitative aptitude     | time and distance     | Add Bounty

 Roja and Pooja start moving in the opposite directions from a pole. They are moving at the speeds of 2 km/hr and 3 km/hr respectively. After 4 hours what will be the distance between them?

A). 12 km

B). 20 km

C). 24 km

D). 4 km


Share on Facebook      Share on Whatsapp       Share on Twitter




1 answers

1 vote
Answered by on | Votes 1 |

20 km



Distance = Relative Speed * Time

= (2 + 3) * 4 = 20 km

[ They are travelling in the opposite direction, relative speed = sum of the speeds].

Join Telegram Group




Answer This Question

Name:
Email:
Answer :
Sum of (5+1)
Submit:

Other Questions

1.  Dheeraj travelled for 2 hours at an average speed of 48 kmph and travelled for another 2 hours at an average speed of 52 kmph . What is the average speed? (in kmph)

2.  A boy goes to school with a speed of 3 km/hr and returns to the village with a speed of 2km/hr. if he takes 5 hours in all, the distance between the village and the school is:

3.  In a covering a distance of 30 km, Abhay takes 2 hours more than Sameer. If Abhay double his speed, then he would take 1 hour less than Sammer. Abhay's speed is?

4.  A farmer travelled a distance of 61 km in 9 hours. He travelled partly on foot @ 4 km/hr and partly on bicycle @ 9 km/hr. The distance travelled on foot is:

5.  A is faster than B. A and B each walk 24 km. The sum of their speeds is 7 km/hr and the sum of times taken by them is 14 hours. Then, A's speed is equal to?

6. A runner starts running from a point at 6:00 am with a speed of 8 km/hr. Another racer starts from the same point at 8:30 am in the same direction with a speed of 10 km/hr. At what time of the day (in p.m.) will the second racer will overtake the other runner?

7.  A truck covers a distance of 550 metres in 1 minute whereas a bus covers a distance of 33 kms in 45 minutes. The ratio of their speeds is

8.  The ratio between the speeds of two trains is 4:5. If the second train runs at 250 km in 5h, then the speed of the first train is:

9. The speed $3\frac{1}{3}$ m /sec when expressed in km / hour becomes

10. Two trains of equal length take 10 seconds and 15 seconds respectively to cross a telegraph post. If the length of each train be 120 metres, in what time ( in seconds) will they cross each other travelling in oppoite direction