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Kerala State PSC Exam Model Paper 10

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Question : 28

Total: 100

Four people walk along the circumference of a park. They walk at 20 m/min, 10 m/min, 25 m/min and 30 m/min respectively. The circumference of the park is 1200m. After how long will they be at the starting point together if they have started all at th

240 min
480 min
160 min
120 min

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