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A train is traveling on a circular path with a 1/2 mile radius. If it
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17 Feb 2022, 08:15
17 Feb 2022, 08:15
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A train is traveling on a circular path with a 1/2 mile radius. If it travels 154 miles, how many laps around this path does it travel? (Use 22/7 for \(\pi\)).
(A) 14
(B) 35
(C) 49
(D) 56
(E) 63
(A) 14
(B) 35
(C) 49
(D) 56
(E) 63
A train is traveling on a circular path with a 1/2 mile radius. If it
[#permalink]
17 Feb 2022, 11:55
17 Feb 2022, 11:55
1
Carcass wrote:
A train is traveling on a circular path with a 1/2 mile radius. If it travels 154 miles, how many laps around this path does it travel? (Use 22/7 for \(\pi\)).
(A) 14
(B) 35
(C) 49
(D) 56
(E) 63
(A) 14
(B) 35
(C) 49
(D) 56
(E) 63
'Laps around this path' can be calculated as 'Total miles travels' / 'circumference of the circle' (2\(\pi\)r)
Hence upon solving 154 / (2 * 22/7 * 1/2), we get 49
Ans is C
gmatclubot
A train is traveling on a circular path with a 1/2 mile radius. If it [#permalink]
17 Feb 2022, 11:55
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