MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Shahajiraje and Jijabai

Ram runs 1 la...

Question

Ram runs 1 lap of a circular track in 9 minutes and Rani completes 1 lap of the same track in 6 minutes. If they started at the same time from the starting line, when will they meet again at the starting line next?

Open in App

Solution

We have to find the least common multiple of 6 and 9.
Multiple of 6 = 6, 12, 18, 24, 30, 36, 42, 48, 54...
Multiples of 9 = 9, 18, 27, 36, 45, 54, 63, 72, 81...
18 is the least common multiple of 6 and 9.
So, they will meet again, next after 18 min.

Suggest Corrections

thumbs-up

4

Similar questions

Q. Alex runs 1 lap of 400 m track in 8 minutes and Shalini completes 1 lap of the same track in 5 minutes. If they started at the same time when will they complete a lap together?

Q. Shreyas, Shalaka and Snehal start running from the same point on a circular track at the same time and complete one lap of the track in 16 minutes, 24 minutes and 18 minutes respectively. What is the shortest period of time in which they will all reach the starting point together ?

Q. Jackson and Levi were jogging on a circular track. In a given duration, Jackson covers one round of the circular track in 3 minutes while Levi covers one round in 2 minutes. On one evening, they started together from the same starting point and in same direction. Find the least number of minutes after which they again meet at the starting point.

Q. Four persons P, Q, R and S start running around a circular track simultaneously. If they complete one round in 10, 8, 12 and 18 minutes respectively, after how much time will they next meet at the starting point ?

Q. Two bikers are riding a circular path. The first rider completes a round in 12 minutes. The second rider completes a round in 18 minutes. If they both started at the same place and time and go in the same direction, after how many minutes will they meet again at the starting point?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Shahajiraje and Jijabai

HISTORY

Watch in App

explore_more_icon

Explore more

Shahajiraje and Jijabai

Standard VII History

Join BYJU'S Learning Program

CrossIcon