MyQuestionIcon

1

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

Average Velocity - Special Case

Sia and Ria s...

Question

Sia and Ria start running in the same direction on a circular track. If they can complete one round of the track in 12 s and 18 s respectively, after how much time (in s) will they meet for the first time?

A

24

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

12

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

72

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

36

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D 36
After each round the person will return to the starting point.

So, we can say that Sia will meet Ria just after completing her third round, which will take 36 seconds.

Suggest Corrections

thumbs-up

0

Similar questions

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. Amit, Sucheta and Neeti start running around a circular track and complete one round in 18 seconds, 24 seconds and 32 seconds respectively. In how many seconds will the three meet again at the starting point if they all have started running at the same time?

Q. Two cars P and Q running in same direction around rectangular field ABCD as shown. Car P completes one round in every 18 minutes and Car Q completes one round in every 12 minutes. After what time will they meet if they start together from point A.

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. Two persons A and B are standing diametrically opposite on a circular track of radius 3.5 units. They start running in an opposite direction on the circular track and their speeds are four units/min and seven units/min, respectively. On meeting each other, they take rest for half a min and then start running with twice the original speed. In five min, how many times will they take rest together?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Motion Visualised

PHYSICS

Watch in App

explore_more_icon

Explore more

Average Velocity - Special Case

Standard IX Physics

Join BYJU'S Learning Program

CrossIcon