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A circular field has a cicumference …

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A circular field has a cicumference of 360km .three cyclists start together and can cycle 48,60 and 72km a day round the field . When willthey meet again

Posted by 1 2 6 years, 7 months ago

CBSE > Class 10 > Mathematics

1 answers

Sia ? 6 years, 7 months ago

In order to calculate the time when they meet, we first find out the time taken by each cyclist in covering the distance.
Number of days cyclist 1 took to cover 360 km = 360/48 = 7.5 days
Similarly, number of days taken by cyclist 2 to cover same distance = 360/60 = 6 days
Also, number of days taken by cyclist 3 to cover this distance = 360/72 = 5 days
Here, LCM of 7.5, 6 and 5 = 30
So, after 30 days, all the three cyclists will meet at starting point..

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