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Pihu and Aayu are running on a circular track of diameter 28 m. Speed of Pihu is 48 m/s and that of Aayu is 40 m/s. They start from the same point at the same time in the same direction. When will they meet again for the first time?
  • a)
    8 seconds
  • b)
    11 seconds
  • c)
    13 seconds
  • d)
    14 seconds
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Pihu and Aayu are running on a circular track of diameter 28 m. Speed ...
As per the given data,
Length of the circular track = π × d = π × 28 m
Given that Pihu and Aayu are running in the same direction at the same point
We know that when two persons A and B running around a circular track of length L mts with speed of a, b m/s in the same direction
They meet each other at any point on the track = L/(a - b) sec
= 28 π/(48 - 40)
= 11 sec
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Most Upvoted Answer
Pihu and Aayu are running on a circular track of diameter 28 m. Speed ...
Solution:

To find the time taken by Pihu and Aayu to meet again for the first time, we need to find the relative speed of Pihu with respect to Aayu.

Relative speed of Pihu w.r.t Aayu = (Speed of Pihu - Speed of Aayu)
= (48 - 40) m/s
= 8 m/s

Now, the distance between them is the circumference of the circle which is equal to πd = 22/7 x 28 = 88 m.

To find the time taken by them to meet again, we can use the formula:

Time taken = Distance / Relative speed

Time taken = 88 / 8 = 11 seconds

Therefore, Pihu and Aayu will meet again for the first time after 11 seconds.

Answer: Option B
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Pihu and Aayu are running on a circular track of diameter 28 m. Speed of Pihu is 48 m/s and that of Aayu is 40 m/s. They start from the same point at the same time in the same direction. When will they meet again for the first time?a)8 secondsb)11 secondsc)13 secondsd)14 secondsCorrect answer is option 'B'. Can you explain this answer?
Question Description
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