1c:I[1254,["7330","static/chunks/d3ac728e-78c3d5d7a486ed3a.js","5159","static/chunks/5159-48592f0bf1a47f9d.js","8175","static/chunks/8175-f84d59b9bd013e10.js","8167","static/chunks/8167-b25693a0140130f2.js","664","static/chunks/664-bceb0f356f9312eb.js","3703","static/chunks/app/practice-question/%5Bslug%5D/page-d1408559b663b83f.js"],"PracticeQuestionCard"] 1b:T4dc,{"@context":"https://schema.org","@type":"QAPage","name":"An athlete runs 8 times around a circular field of radius 7 m in 3 mi…","url":"https://vidyalelo.com/practice-question/an-athlete-runs-8-times-around-a-circular-field-of-radius-7-m-in-3-minutes-40-seconds-his-speed-in-kmh-is-252745","keywords":"practice questions, MCQ, MCQs with answers, objective questions, competitive exam questions, Competitive Exams, Competitive Exams MCQ, Competitive Exams MCQs, Competitive Exams questions, Competitive Exams practice questions, Aptitude, Aptitude MCQ, Aptitude MCQs, Aptitude questions, Aptitude practice questions, Races And Games","mainEntity":{"@type":"Question","name":"An athlete runs 8 times around a circular field of radius 7 m in 3 mi…","text":"An athlete runs 8 times around a circular field of radius 7 m in 3 minutes 40 seconds. His speed (in km/h) is:","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Option B. 14425. Answer & Solution Answer: Option B Solution: & Time = 3\\, 40 & = 3 4060 & = 32/3 & = 113 & Circumference of circle = 2 r & = 2 × 227 × 7 & = 44 m & Distance = Speed × Time & 44 × 8 = Speed × 113 × 60 & Speed = 3220 & Speed = 8/5\\, m/s & Speed = 8/5 × 185\\, km/hr & Speed = 14425\\…"}}}1d:T45b,

Answer & Solution

Answer: Option B

Solution:

$$\eqalign{ & {\text{Time}} = 3\,\min 40\sec \cr & = 3\frac{{4