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A car goes along the circumference of a circle of radius 14 miles. Th
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31 Dec 2024, 15:52
31 Dec 2024, 15:52
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A car goes along the circumference of a circle of radius 14 miles. The car travels the first round at a speed of 11 miles per hour. The speed of the car increases by 11 miles per hour for every successive round. Which of the following fractions, in mixed form, represents the total time taken by the car to cover a total distance of 440 miles?
A. \(14 \frac{8}{5}\)
B. \(15 \frac{14}{18}\)
C. \(18 \frac{4}{15}\)
D. \(4 \frac{15}{18}\)
E. \(7 \frac{4}{15}\)
A. \(14 \frac{8}{5}\)
B. \(15 \frac{14}{18}\)
C. \(18 \frac{4}{15}\)
D. \(4 \frac{15}{18}\)
E. \(7 \frac{4}{15}\)
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A car goes along the circumference of a circle of radius 14 miles. Th
[#permalink]
09 Jan 2025, 22:50
09 Jan 2025, 22:50
1
[b]C-- circumference of the track is around 88 miles, (2*3.14*14), 440/5=88 miles per round. Time for each round is=
88/11=8 hours, 88/22=4 hours, 88/33=2.66 hours, 88/44=2hours, 88/55=1.66 hours. Total time is 18.27 hours, which is option C
88/11=8 hours, 88/22=4 hours, 88/33=2.66 hours, 88/44=2hours, 88/55=1.66 hours. Total time is 18.27 hours, which is option C
gmatclubot
A car goes along the circumference of a circle of radius 14 miles. Th [#permalink]
09 Jan 2025, 22:50
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