the circumference of a park is 750m. A andB start walking from the same point in the same direction at 6.75km/hr and 4.75km/he In what time they meet each other again?
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They meet each other again in 3 hours.
Step-by-step explanation:
Time taken by A in completing one revolution
= 750 ÷ 6.75×5 / 18 sec
= (750×186.75×5) sec
Time taken by B
= (750×18 / 4.75×5) sec
Required time
= LCM of numerators / HCF of denominators
= 750×1800 / 125
= 1800 × 6 seconds
= 1800×63600 = 3 hours
Thus they meet each other again in 3 hours.
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Answered by
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Step-by-step explanation:
750÷6.75*5/18 sec
(750*186.75*5)
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