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Ziko is running along a circular path. How many laps does he complete

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Ziko is running along a circular path. How many laps does he complete  [#permalink]

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New post 04 Sep 2018, 23:38
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Difficulty:

  25% (medium)

Question Stats:

87% (00:39) correct 13% (01:23) wrong based on 15 sessions

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Ziko is running along a circular path. How many laps does he complete in 18 minutes?

(1) He completes one-sixth of the path every minute.
(2) His speed is 6 meters per minute.

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Re: Ziko is running along a circular path. How many laps does he complete  [#permalink]

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New post 05 Sep 2018, 01:03
Bunuel wrote:
Ziko is running along a circular path. How many laps does he complete in 18 minutes?

(1) He completes one-sixth of the path every minute.
(2) His speed is 6 meters per minute.
Completing 1/6th of path every minute. That means, in 18 minutes, he will cover 3 times path i.e 3 laps

St1) sufficient

St2) by knowing speed, we can find distant travelled by Ziko. But we don't know what is the radius of the circle. Without knowing this, we can't predict number of laps.
Insufficient

Answer seems A



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Re: Ziko is running along a circular path. How many laps does he complete  [#permalink]

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New post 05 Sep 2018, 01:08
Bunuel wrote:
Ziko is running along a circular path. How many laps does he complete in 18 minutes?

(1) He completes one-sixth of the path every minute.
(2) His speed is 6 meters per minute.


(1) He completes one-sixth of the path every minute.
1/6 ---1 min
in 18 minutes 3*circular path=3 laps
sufficient

(2) His speed is 6 meters per minute.
we are not given length of the circular path in any way
insufficient

A
Re: Ziko is running along a circular path. How many laps does he complete &nbs [#permalink] 05 Sep 2018, 01:08
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