From a point on a circular tract 5 Km long A, B and C started running in the same direction at the same time with speeds of 2 1⁄ 2 Km/h, 3 Km/h and 2 Km/h. respectively. Then on the starting point all three will meet again after :

30 hours
6 hours
10 hours
15 hours

Correct Answer: 10 hours

Explanation:

A will reach at starting point in 5 * 2 / 5 = 2 hours ;
B will reach at starting point in 5 / 3 hours ;
C will reach at starting point in 5 / 2 hours ;
Then, on the starting point all three will meet after the L.C.M. of 2, 5 / 3, 5 / 2, 10 / 1 = 10 hours.

← Previous Question Next Question→

More Questions from Races and Games

In a 100 m race, Kamal defeats Bimal by 5 seconds. If the speed of Kamal is 18 Km/h, then the speed of Bimal is :
In a 100 meter race, A runs at 5Km/h. A gives B a start of 8 meter and still beats him by 8 sec. Find out the speed of B.
In a Km race A beats B by 100 m and C by 200 m. By how many can B beat C in a race of 1350 m?
A can run a distance of 1 Km in 3 minutes 10 seconds and B can run the same distance in 3 minutes 20 seconds. If they start together, by what distance will A beat B?
In a game of billiards, A can give B 20 points in the game of 120 points and he can give C 30 points in the game of 120 points, How many points can B give C in a game of 90?
Arun and Bhaskar start from place P at 6:00 am and 7:30 am, respectively and run in the same direction. Arun and Bhaskar run at 8 km/h and 12 km/h. respectively. Bhaskar overtakes Arun at?
A, B and C walk 1 km in 5 min, 8 min and 10 min, respectively, C starts walking from a points at a certain time, B starts from the same point 1 min later and A starts from the same point 2 min later than C, Then, A meet B and C at times?
A 10 km race is organised at 800 m circular race course. P and Q are the contestants of the race. If the ratio of the speed of P and Q is 5 : 4, how many times will the winner overtake the loser?
A runs 1 2/ 3 times as fast as B. If A gives B a start of 40 m, how far must the winning post be, so that A and B might reach it at the same time?
In a 20 m race, A runs at a speed of 2 m/s. If A gives B a start of 10 m and still beats him by 5 s, what will be the speed of B?

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion